Home / 119,353,030,397.19-178,941,285,963.90-72,179,016,691.91

Finding the Fourth Proportional to 119,353,030,397.19, 178,941,285,963.90 and 72,179,016,691.91

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Solution

The fourth proportional to 119,353,030,397.19, 178,941,285,963.90 and 72,179,016,691.91 is: 108,215,149,824.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,353,030,397.19 : 178,941,285,963.90 = 72,179,016,691.91 : x
  2. Step 2: Convert to fraction form
    119,353,030,397.19/178,941,285,963.90 = 72,179,016,691.91/x
  3. Step 3: Cross multiply
    119,353,030,397.19x = 178,941,285,963.90 × 72,179,016,691.91
  4. Step 4: Simplify right side
    119,353,030,397.19x = 12,915,806,066,459,283,554,304
  5. Step 5: Solve for x
    x = 12,915,806,066,459,283,554,304/119,353,030,397.19
  6. Step 6: Final answer
    x = 108,215,149,824.66

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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.