Home / 90,699,912,088.40-136,049,868,132.60-38,355,099,352.40

Finding the Fourth Proportional to 90,699,912,088.40, 136,049,868,132.60 and 38,355,099,352.40

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Solution

The fourth proportional to 90,699,912,088.40, 136,049,868,132.60 and 38,355,099,352.40 is: 57,532,649,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,699,912,088.40 : 136,049,868,132.60 = 38,355,099,352.40 : x
  2. Step 2: Convert to fraction form
    90,699,912,088.40/136,049,868,132.60 = 38,355,099,352.40/x
  3. Step 3: Cross multiply
    90,699,912,088.40x = 136,049,868,132.60 × 38,355,099,352.40
  4. Step 4: Simplify right side
    90,699,912,088.40x = 5,218,206,209,106,791,890,944
  5. Step 5: Solve for x
    x = 5,218,206,209,106,791,890,944/90,699,912,088.40
  6. Step 6: Final answer
    x = 57,532,649,028.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.