Home / 48,498,936.30-72,748,404.45-31,280,247.90

Finding the Fourth Proportional to 48,498,936.30, 72,748,404.45 and 31,280,247.90

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Solution

The fourth proportional to 48,498,936.30, 72,748,404.45 and 31,280,247.90 is: 46,920,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,498,936.30 : 72,748,404.45 = 31,280,247.90 : x
  2. Step 2: Convert to fraction form
    48,498,936.30/72,748,404.45 = 31,280,247.90/x
  3. Step 3: Cross multiply
    48,498,936.30x = 72,748,404.45 × 31,280,247.90
  4. Step 4: Simplify right side
    48,498,936.30x = 2,275,588,125,525,463
  5. Step 5: Solve for x
    x = 2,275,588,125,525,463/48,498,936.30
  6. Step 6: Final answer
    x = 46,920,371.85

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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.