Home / 101,280,042.64-139,767,129.87-54,870,296.56

Finding the Fourth Proportional to 101,280,042.64, 139,767,129.87 and 54,870,296.56

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Solution

The fourth proportional to 101,280,042.64, 139,767,129.87 and 54,870,296.56 is: 75,721,372.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,280,042.64 : 139,767,129.87 = 54,870,296.56 : x
  2. Step 2: Convert to fraction form
    101,280,042.64/139,767,129.87 = 54,870,296.56/x
  3. Step 3: Cross multiply
    101,280,042.64x = 139,767,129.87 × 54,870,296.56
  4. Step 4: Simplify right side
    101,280,042.64x = 7,669,063,865,306,935
  5. Step 5: Solve for x
    x = 7,669,063,865,306,935/101,280,042.64
  6. Step 6: Final answer
    x = 75,721,372.79

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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.