Home / 71,755,414,697.66-99,022,512,012.23-38,758,501,909.95

Finding the Fourth Proportional to 71,755,414,697.66, 99,022,512,012.23 and 38,758,501,909.95

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Solution

The fourth proportional to 71,755,414,697.66, 99,022,512,012.23 and 38,758,501,909.95 is: 53,486,754,095.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,755,414,697.66 : 99,022,512,012.23 = 38,758,501,909.95 : x
  2. Step 2: Convert to fraction form
    71,755,414,697.66/99,022,512,012.23 = 38,758,501,909.95/x
  3. Step 3: Cross multiply
    71,755,414,697.66x = 99,022,512,012.23 × 38,758,501,909.95
  4. Step 4: Simplify right side
    71,755,414,697.66x = 3,837,964,220,953,843,466,240
  5. Step 5: Solve for x
    x = 3,837,964,220,953,843,466,240/71,755,414,697.66
  6. Step 6: Final answer
    x = 53,486,754,095.50

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1.5x scale

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.