Home / 87,005,174.94-120,070,222.65-47,849,982.30

Finding the Fourth Proportional to 87,005,174.94, 120,070,222.65 and 47,849,982.30

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Solution

The fourth proportional to 87,005,174.94, 120,070,222.65 and 47,849,982.30 is: 66,034,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,005,174.94 : 120,070,222.65 = 47,849,982.30 : x
  2. Step 2: Convert to fraction form
    87,005,174.94/120,070,222.65 = 47,849,982.30/x
  3. Step 3: Cross multiply
    87,005,174.94x = 120,070,222.65 × 47,849,982.30
  4. Step 4: Simplify right side
    87,005,174.94x = 5,745,358,028,559,559
  5. Step 5: Solve for x
    x = 5,745,358,028,559,559/87,005,174.94
  6. Step 6: Final answer
    x = 66,034,670.15

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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.