Home / 80,406,939.77-120,623,862.44-63,134,443.88

Finding the Fourth Proportional to 80,406,939.77, 120,623,862.44 and 63,134,443.88

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Solution

The fourth proportional to 80,406,939.77, 120,623,862.44 and 63,134,443.88 is: 94,712,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,406,939.77 : 120,623,862.44 = 63,134,443.88 : x
  2. Step 2: Convert to fraction form
    80,406,939.77/120,623,862.44 = 63,134,443.88/x
  3. Step 3: Cross multiply
    80,406,939.77x = 120,623,862.44 × 63,134,443.88
  4. Step 4: Simplify right side
    80,406,939.77x = 7,615,520,473,807,020
  5. Step 5: Solve for x
    x = 7,615,520,473,807,020/80,406,939.77
  6. Step 6: Final answer
    x = 94,712,228.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.