Home / 147,279,357-220,920,142.50-65,376,216.54

Finding the Fourth Proportional to 147,279,357, 220,920,142.50 and 65,376,216.54

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Solution

The fourth proportional to 147,279,357, 220,920,142.50 and 65,376,216.54 is: 98,064,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,279,357 : 220,920,142.50 = 65,376,216.54 : x
  2. Step 2: Convert to fraction form
    147,279,357/220,920,142.50 = 65,376,216.54/x
  3. Step 3: Cross multiply
    147,279,357x = 220,920,142.50 × 65,376,216.54
  4. Step 4: Simplify right side
    147,279,357x = 14,442,923,074,127,656
  5. Step 5: Solve for x
    x = 14,442,923,074,127,656/147,279,357
  6. Step 6: Final answer
    x = 98,064,816.20

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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.