Home / 137,803,027.28-206,744,896.86-40,761,319.06

Finding the Fourth Proportional to 137,803,027.28, 206,744,896.86 and 40,761,319.06

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Solution

The fourth proportional to 137,803,027.28, 206,744,896.86 and 40,761,319.06 is: 61,153,915.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,803,027.28 : 206,744,896.86 = 40,761,319.06 : x
  2. Step 2: Convert to fraction form
    137,803,027.28/206,744,896.86 = 40,761,319.06/x
  3. Step 3: Cross multiply
    137,803,027.28x = 206,744,896.86 × 40,761,319.06
  4. Step 4: Simplify right side
    137,803,027.28x = 8,427,194,705,042,828
  5. Step 5: Solve for x
    x = 8,427,194,705,042,828/137,803,027.28
  6. Step 6: Final answer
    x = 61,153,915.64

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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.