Home / 80,407,002.46-120,623,956.44-63,134,506.66

Finding the Fourth Proportional to 80,407,002.46, 120,623,956.44 and 63,134,506.66

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Solution

The fourth proportional to 80,407,002.46, 120,623,956.44 and 63,134,506.66 is: 94,712,322.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,407,002.46 : 120,623,956.44 = 63,134,506.66 : x
  2. Step 2: Convert to fraction form
    80,407,002.46/120,623,956.44 = 63,134,506.66/x
  3. Step 3: Cross multiply
    80,407,002.46x = 120,623,956.44 × 63,134,506.66
  4. Step 4: Simplify right side
    80,407,002.46x = 7,615,533,981,216,729
  5. Step 5: Solve for x
    x = 7,615,533,981,216,729/80,407,002.46
  6. Step 6: Final answer
    x = 94,712,322.91

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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.