Home / 38,208,000.30-57,312,000.45-30,649,728.30

Finding the Fourth Proportional to 38,208,000.30, 57,312,000.45 and 30,649,728.30

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Solution

The fourth proportional to 38,208,000.30, 57,312,000.45 and 30,649,728.30 is: 45,974,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,208,000.30 : 57,312,000.45 = 30,649,728.30 : x
  2. Step 2: Convert to fraction form
    38,208,000.30/57,312,000.45 = 30,649,728.30/x
  3. Step 3: Cross multiply
    38,208,000.30x = 57,312,000.45 × 30,649,728.30
  4. Step 4: Simplify right side
    38,208,000.30x = 1,756,597,242,121,977.75
  5. Step 5: Solve for x
    x = 1,756,597,242,121,977.75/38,208,000.30
  6. Step 6: Final answer
    x = 45,974,592.45

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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.