Home / 80,510,536.70-120,765,805.05-67,755,952.70

Finding the Fourth Proportional to 80,510,536.70, 120,765,805.05 and 67,755,952.70

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Solution

The fourth proportional to 80,510,536.70, 120,765,805.05 and 67,755,952.70 is: 101,633,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,510,536.70 : 120,765,805.05 = 67,755,952.70 : x
  2. Step 2: Convert to fraction form
    80,510,536.70/120,765,805.05 = 67,755,952.70/x
  3. Step 3: Cross multiply
    80,510,536.70x = 120,765,805.05 × 67,755,952.70
  4. Step 4: Simplify right side
    80,510,536.70x = 8,182,602,174,745,221
  5. Step 5: Solve for x
    x = 8,182,602,174,745,221/80,510,536.70
  6. Step 6: Final answer
    x = 101,633,929.05

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1.5x scale

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.