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Finding the Fourth Proportional to 229,963,493.84, 317,348,007.11 and 125,541,565.16

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Solution

The fourth proportional to 229,963,493.84, 317,348,007.11 and 125,541,565.16 is: 173,246,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,963,493.84 : 317,348,007.11 = 125,541,565.16 : x
  2. Step 2: Convert to fraction form
    229,963,493.84/317,348,007.11 = 125,541,565.16/x
  3. Step 3: Cross multiply
    229,963,493.84x = 317,348,007.11 × 125,541,565.16
  4. Step 4: Simplify right side
    229,963,493.84x = 39,840,365,512,368,504
  5. Step 5: Solve for x
    x = 39,840,365,512,368,504/229,963,493.84
  6. Step 6: Final answer
    x = 173,246,478.59

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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.