Home / 76,962,261.92-106,218,488.30-47,187,644.45

Finding the Fourth Proportional to 76,962,261.92, 106,218,488.30 and 47,187,644.45

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Solution

The fourth proportional to 76,962,261.92, 106,218,488.30 and 47,187,644.45 is: 65,125,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,962,261.92 : 106,218,488.30 = 47,187,644.45 : x
  2. Step 2: Convert to fraction form
    76,962,261.92/106,218,488.30 = 47,187,644.45/x
  3. Step 3: Cross multiply
    76,962,261.92x = 106,218,488.30 × 47,187,644.45
  4. Step 4: Simplify right side
    76,962,261.92x = 5,012,200,259,149,854
  5. Step 5: Solve for x
    x = 5,012,200,259,149,854/76,962,261.92
  6. Step 6: Final answer
    x = 65,125,428.16

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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.