Home / 147,279,355.50-220,920,140.25-65,376,215.04

Finding the Fourth Proportional to 147,279,355.50, 220,920,140.25 and 65,376,215.04

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Solution

The fourth proportional to 147,279,355.50, 220,920,140.25 and 65,376,215.04 is: 98,064,813.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,279,355.50 : 220,920,140.25 = 65,376,215.04 : x
  2. Step 2: Convert to fraction form
    147,279,355.50/220,920,140.25 = 65,376,215.04/x
  3. Step 3: Cross multiply
    147,279,355.50x = 220,920,140.25 × 65,376,215.04
  4. Step 4: Simplify right side
    147,279,355.50x = 14,442,922,595,650,960
  5. Step 5: Solve for x
    x = 14,442,922,595,650,960/147,279,355.50
  6. Step 6: Final answer
    x = 98,064,813.95

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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.