Home / 72,754,278.90-109,131,418.35-63,188,340.90

Finding the Fourth Proportional to 72,754,278.90, 109,131,418.35 and 63,188,340.90

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Solution

The fourth proportional to 72,754,278.90, 109,131,418.35 and 63,188,340.90 is: 94,782,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,754,278.90 : 109,131,418.35 = 63,188,340.90 : x
  2. Step 2: Convert to fraction form
    72,754,278.90/109,131,418.35 = 63,188,340.90/x
  3. Step 3: Cross multiply
    72,754,278.90x = 109,131,418.35 × 63,188,340.90
  4. Step 4: Simplify right side
    72,754,278.90x = 6,895,833,265,600,315
  5. Step 5: Solve for x
    x = 6,895,833,265,600,315/72,754,278.90
  6. Step 6: Final answer
    x = 94,782,511.35

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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.