Home / 57,931,816.20-86,897,724.30-31,057,960.20

Finding the Fourth Proportional to 57,931,816.20, 86,897,724.30 and 31,057,960.20

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Solution

The fourth proportional to 57,931,816.20, 86,897,724.30 and 31,057,960.20 is: 46,586,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,931,816.20 : 86,897,724.30 = 31,057,960.20 : x
  2. Step 2: Convert to fraction form
    57,931,816.20/86,897,724.30 = 31,057,960.20/x
  3. Step 3: Cross multiply
    57,931,816.20x = 86,897,724.30 × 31,057,960.20
  4. Step 4: Simplify right side
    57,931,816.20x = 2,698,866,062,779,972.50
  5. Step 5: Solve for x
    x = 2,698,866,062,779,972.50/57,931,816.20
  6. Step 6: Final answer
    x = 46,586,940.30

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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.