Home / 158,511,841.20-218,747,925.36-88,895,727.45

Finding the Fourth Proportional to 158,511,841.20, 218,747,925.36 and 88,895,727.45

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Solution

The fourth proportional to 158,511,841.20, 218,747,925.36 and 88,895,727.45 is: 122,676,992.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,511,841.20 : 218,747,925.36 = 88,895,727.45 : x
  2. Step 2: Convert to fraction form
    158,511,841.20/218,747,925.36 = 88,895,727.45/x
  3. Step 3: Cross multiply
    158,511,841.20x = 218,747,925.36 × 88,895,727.45
  4. Step 4: Simplify right side
    158,511,841.20x = 19,445,755,953,055,504
  5. Step 5: Solve for x
    x = 19,445,755,953,055,504/158,511,841.20
  6. Step 6: Final answer
    x = 122,676,992.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.