Home / 39,856,601.40-59,784,902.10-39,478,687.80

Finding the Fourth Proportional to 39,856,601.40, 59,784,902.10 and 39,478,687.80

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Solution

The fourth proportional to 39,856,601.40, 59,784,902.10 and 39,478,687.80 is: 59,218,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,856,601.40 : 59,784,902.10 = 39,478,687.80 : x
  2. Step 2: Convert to fraction form
    39,856,601.40/59,784,902.10 = 39,478,687.80/x
  3. Step 3: Cross multiply
    39,856,601.40x = 59,784,902.10 × 39,478,687.80
  4. Step 4: Simplify right side
    39,856,601.40x = 2,360,229,485,159,464.50
  5. Step 5: Solve for x
    x = 2,360,229,485,159,464.50/39,856,601.40
  6. Step 6: Final answer
    x = 59,218,031.70

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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.