Home / 99,305,811.28-137,060,992.34-65,756,115.46

Finding the Fourth Proportional to 99,305,811.28, 137,060,992.34 and 65,756,115.46

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Solution

The fourth proportional to 99,305,811.28, 137,060,992.34 and 65,756,115.46 is: 90,756,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,305,811.28 : 137,060,992.34 = 65,756,115.46 : x
  2. Step 2: Convert to fraction form
    99,305,811.28/137,060,992.34 = 65,756,115.46/x
  3. Step 3: Cross multiply
    99,305,811.28x = 137,060,992.34 × 65,756,115.46
  4. Step 4: Simplify right side
    99,305,811.28x = 9,012,598,437,371,216
  5. Step 5: Solve for x
    x = 9,012,598,437,371,216/99,305,811.28
  6. Step 6: Final answer
    x = 90,756,002.30

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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.