Home / 87,005,185.44-120,070,237.14-47,849,992.80

Finding the Fourth Proportional to 87,005,185.44, 120,070,237.14 and 47,849,992.80

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Solution

The fourth proportional to 87,005,185.44, 120,070,237.14 and 47,849,992.80 is: 66,034,684.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,005,185.44 : 120,070,237.14 = 47,849,992.80 : x
  2. Step 2: Convert to fraction form
    87,005,185.44/120,070,237.14 = 47,849,992.80/x
  3. Step 3: Cross multiply
    87,005,185.44x = 120,070,237.14 × 47,849,992.80
  4. Step 4: Simplify right side
    87,005,185.44x = 5,745,359,982,643,292
  5. Step 5: Solve for x
    x = 5,745,359,982,643,292/87,005,185.44
  6. Step 6: Final answer
    x = 66,034,684.64

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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.