Home / 87,005,216.94-120,070,282.95-47,850,021.96

Finding the Fourth Proportional to 87,005,216.94, 120,070,282.95 and 47,850,021.96

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Solution

The fourth proportional to 87,005,216.94, 120,070,282.95 and 47,850,021.96 is: 66,034,726.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,005,216.94 : 120,070,282.95 = 47,850,021.96 : x
  2. Step 2: Convert to fraction form
    87,005,216.94/120,070,282.95 = 47,850,021.96/x
  3. Step 3: Cross multiply
    87,005,216.94x = 120,070,282.95 × 47,850,021.96
  4. Step 4: Simplify right side
    87,005,216.94x = 5,745,365,675,900,914
  5. Step 5: Solve for x
    x = 5,745,365,675,900,914/87,005,216.94
  6. Step 6: Final answer
    x = 66,034,726.17

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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.