Home / 231,849,605.04-319,953,151.68-127,438,375.92

Finding the Fourth Proportional to 231,849,605.04, 319,953,151.68 and 127,438,375.92

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Solution

The fourth proportional to 231,849,605.04, 319,953,151.68 and 127,438,375.92 is: 175,865,341.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,849,605.04 : 319,953,151.68 = 127,438,375.92 : x
  2. Step 2: Convert to fraction form
    231,849,605.04/319,953,151.68 = 127,438,375.92/x
  3. Step 3: Cross multiply
    231,849,605.04x = 319,953,151.68 × 127,438,375.92
  4. Step 4: Simplify right side
    231,849,605.04x = 40,774,310,020,584,624
  5. Step 5: Solve for x
    x = 40,774,310,020,584,624/231,849,605.04
  6. Step 6: Final answer
    x = 175,865,341.73

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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.