Home / 124,463,805.20-186,695,707.80-67,068,177.20

Finding the Fourth Proportional to 124,463,805.20, 186,695,707.80 and 67,068,177.20

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Solution

The fourth proportional to 124,463,805.20, 186,695,707.80 and 67,068,177.20 is: 100,602,265.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,463,805.20 : 186,695,707.80 = 67,068,177.20 : x
  2. Step 2: Convert to fraction form
    124,463,805.20/186,695,707.80 = 67,068,177.20/x
  3. Step 3: Cross multiply
    124,463,805.20x = 186,695,707.80 × 67,068,177.20
  4. Step 4: Simplify right side
    124,463,805.20x = 12,521,340,813,209,824
  5. Step 5: Solve for x
    x = 12,521,340,813,209,824/124,463,805.20
  6. Step 6: Final answer
    x = 100,602,265.80

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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.