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Finding the Fourth Proportional to 176,287,951.70, 264,431,927.55 and 157,140,329.30

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Solution

The fourth proportional to 176,287,951.70, 264,431,927.55 and 157,140,329.30 is: 235,710,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,287,951.70 : 264,431,927.55 = 157,140,329.30 : x
  2. Step 2: Convert to fraction form
    176,287,951.70/264,431,927.55 = 157,140,329.30/x
  3. Step 3: Cross multiply
    176,287,951.70x = 264,431,927.55 × 157,140,329.30
  4. Step 4: Simplify right side
    176,287,951.70x = 41,552,920,172,640,744
  5. Step 5: Solve for x
    x = 41,552,920,172,640,744/176,287,951.70
  6. Step 6: Final answer
    x = 235,710,493.95

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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.