Home / 107,861,637.60-161,792,456.40-39,690,223.20

Finding the Fourth Proportional to 107,861,637.60, 161,792,456.40 and 39,690,223.20

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Solution

The fourth proportional to 107,861,637.60, 161,792,456.40 and 39,690,223.20 is: 59,535,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,861,637.60 : 161,792,456.40 = 39,690,223.20 : x
  2. Step 2: Convert to fraction form
    107,861,637.60/161,792,456.40 = 39,690,223.20/x
  3. Step 3: Cross multiply
    107,861,637.60x = 161,792,456.40 × 39,690,223.20
  4. Step 4: Simplify right side
    107,861,637.60x = 6,421,578,706,592,269
  5. Step 5: Solve for x
    x = 6,421,578,706,592,269/107,861,637.60
  6. Step 6: Final answer
    x = 59,535,334.80

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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.