Home / 80,406,956.71-120,623,887.77-63,134,460.82

Finding the Fourth Proportional to 80,406,956.71, 120,623,887.77 and 63,134,460.82

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Solution

The fourth proportional to 80,406,956.71, 120,623,887.77 and 63,134,460.82 is: 94,712,254.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,406,956.71 : 120,623,887.77 = 63,134,460.82 : x
  2. Step 2: Convert to fraction form
    80,406,956.71/120,623,887.77 = 63,134,460.82/x
  3. Step 3: Cross multiply
    80,406,956.71x = 120,623,887.77 × 63,134,460.82
  4. Step 4: Simplify right side
    80,406,956.71x = 7,615,524,116,371,142
  5. Step 5: Solve for x
    x = 7,615,524,116,371,142/80,406,956.71
  6. Step 6: Final answer
    x = 94,712,254.11

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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.