Home / 251,200,934.04-376,801,430.28-78,691,190.52

Finding the Fourth Proportional to 251,200,934.04, 376,801,430.28 and 78,691,190.52

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Solution

The fourth proportional to 251,200,934.04, 376,801,430.28 and 78,691,190.52 is: 118,036,794.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,200,934.04 : 376,801,430.28 = 78,691,190.52 : x
  2. Step 2: Convert to fraction form
    251,200,934.04/376,801,430.28 = 78,691,190.52/x
  3. Step 3: Cross multiply
    251,200,934.04x = 376,801,430.28 × 78,691,190.52
  4. Step 4: Simplify right side
    251,200,934.04x = 29,650,953,138,371,972
  5. Step 5: Solve for x
    x = 29,650,953,138,371,972/251,200,934.04
  6. Step 6: Final answer
    x = 118,036,794.93

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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.