Home / 52,598,564.40-78,897,846.60-39,843,980.40

Finding the Fourth Proportional to 52,598,564.40, 78,897,846.60 and 39,843,980.40

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Solution

The fourth proportional to 52,598,564.40, 78,897,846.60 and 39,843,980.40 is: 59,765,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,598,564.40 : 78,897,846.60 = 39,843,980.40 : x
  2. Step 2: Convert to fraction form
    52,598,564.40/78,897,846.60 = 39,843,980.40/x
  3. Step 3: Cross multiply
    52,598,564.40x = 78,897,846.60 × 39,843,980.40
  4. Step 4: Simplify right side
    52,598,564.40x = 3,143,604,253,532,606.50
  5. Step 5: Solve for x
    x = 3,143,604,253,532,606.50/52,598,564.40
  6. Step 6: Final answer
    x = 59,765,970.60

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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.