Home / 243,560,690.55-336,120,841.95-137,711,832.10

Finding the Fourth Proportional to 243,560,690.55, 336,120,841.95 and 137,711,832.10

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Solution

The fourth proportional to 243,560,690.55, 336,120,841.95 and 137,711,832.10 is: 190,046,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,560,690.55 : 336,120,841.95 = 137,711,832.10 : x
  2. Step 2: Convert to fraction form
    243,560,690.55/336,120,841.95 = 137,711,832.10/x
  3. Step 3: Cross multiply
    243,560,690.55x = 336,120,841.95 × 137,711,832.10
  4. Step 4: Simplify right side
    243,560,690.55x = 46,287,816,952,464,680
  5. Step 5: Solve for x
    x = 46,287,816,952,464,680/243,560,690.55
  6. Step 6: Final answer
    x = 190,046,336.49

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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.