Home / 87,252,897-120,405,374.69-47,559,554.90

Finding the Fourth Proportional to 87,252,897, 120,405,374.69 and 47,559,554.90

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Solution

The fourth proportional to 87,252,897, 120,405,374.69 and 47,559,554.90 is: 65,630,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,252,897 : 120,405,374.69 = 47,559,554.90 : x
  2. Step 2: Convert to fraction form
    87,252,897/120,405,374.69 = 47,559,554.90/x
  3. Step 3: Cross multiply
    87,252,897x = 120,405,374.69 × 47,559,554.90
  4. Step 4: Simplify right side
    87,252,897x = 5,726,426,026,984,301
  5. Step 5: Solve for x
    x = 5,726,426,026,984,301/87,252,897
  6. Step 6: Final answer
    x = 65,630,210.85

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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.