Home / 87,549,000.94-120,818,102.62-47,856,591.82

Finding the Fourth Proportional to 87,549,000.94, 120,818,102.62 and 47,856,591.82

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Solution

The fourth proportional to 87,549,000.94, 120,818,102.62 and 47,856,591.82 is: 66,042,359.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,549,000.94 : 120,818,102.62 = 47,856,591.82 : x
  2. Step 2: Convert to fraction form
    87,549,000.94/120,818,102.62 = 47,856,591.82/x
  3. Step 3: Cross multiply
    87,549,000.94x = 120,818,102.62 × 47,856,591.82
  4. Step 4: Simplify right side
    87,549,000.94x = 5,781,942,621,552,213
  5. Step 5: Solve for x
    x = 5,781,942,621,552,213/87,549,000.94
  6. Step 6: Final answer
    x = 66,042,359.82

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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.