Home / 136,021,569.03-187,711,630.74-74,141,774.55

Finding the Fourth Proportional to 136,021,569.03, 187,711,630.74 and 74,141,774.55

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Solution

The fourth proportional to 136,021,569.03, 187,711,630.74 and 74,141,774.55 is: 102,316,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,021,569.03 : 187,711,630.74 = 74,141,774.55 : x
  2. Step 2: Convert to fraction form
    136,021,569.03/187,711,630.74 = 74,141,774.55/x
  3. Step 3: Cross multiply
    136,021,569.03x = 187,711,630.74 × 74,141,774.55
  4. Step 4: Simplify right side
    136,021,569.03x = 13,917,273,406,737,930
  5. Step 5: Solve for x
    x = 13,917,273,406,737,930/136,021,569.03
  6. Step 6: Final answer
    x = 102,316,665.70

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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.