Home / 100,051,946.60-137,962,044.25-65,179,969.16

Finding the Fourth Proportional to 100,051,946.60, 137,962,044.25 and 65,179,969.16

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Solution

The fourth proportional to 100,051,946.60, 137,962,044.25 and 65,179,969.16 is: 89,876,929.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,051,946.60 : 137,962,044.25 = 65,179,969.16 : x
  2. Step 2: Convert to fraction form
    100,051,946.60/137,962,044.25 = 65,179,969.16/x
  3. Step 3: Cross multiply
    100,051,946.60x = 137,962,044.25 × 65,179,969.16
  4. Step 4: Simplify right side
    100,051,946.60x = 8,992,361,788,612,796
  5. Step 5: Solve for x
    x = 8,992,361,788,612,796/100,051,946.60
  6. Step 6: Final answer
    x = 89,876,929.88

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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.