Home / 100,812,145.20-151,111,929.60-39,377,565.60

Finding the Fourth Proportional to 100,812,145.20, 151,111,929.60 and 39,377,565.60

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Solution

The fourth proportional to 100,812,145.20, 151,111,929.60 and 39,377,565.60 is: 59,024,831.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,812,145.20 : 151,111,929.60 = 39,377,565.60 : x
  2. Step 2: Convert to fraction form
    100,812,145.20/151,111,929.60 = 39,377,565.60/x
  3. Step 3: Cross multiply
    100,812,145.20x = 151,111,929.60 × 39,377,565.60
  4. Step 4: Simplify right side
    100,812,145.20x = 5,950,419,920,766,582
  5. Step 5: Solve for x
    x = 5,950,419,920,766,582/100,812,145.20
  6. Step 6: Final answer
    x = 59,024,831.87

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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.