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Finding the Fourth Proportional to 118,696,543.95, 178,044,815.94 and 118,696,543.95

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Solution

The fourth proportional to 118,696,543.95, 178,044,815.94 and 118,696,543.95 is: 178,044,815.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,696,543.95 : 178,044,815.94 = 118,696,543.95 : x
  2. Step 2: Convert to fraction form
    118,696,543.95/178,044,815.94 = 118,696,543.95/x
  3. Step 3: Cross multiply
    118,696,543.95x = 178,044,815.94 × 118,696,543.95
  4. Step 4: Simplify right side
    118,696,543.95x = 21,133,304,320,291,872
  5. Step 5: Solve for x
    x = 21,133,304,320,291,872/118,696,543.95
  6. Step 6: Final answer
    x = 178,044,815.94

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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.