Home / 138,083,565.30-207,064,330.62-51,761,417.77

Finding the Fourth Proportional to 138,083,565.30, 207,064,330.62 and 51,761,417.77

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Solution

The fourth proportional to 138,083,565.30, 207,064,330.62 and 51,761,417.77 is: 77,619,253.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,083,565.30 : 207,064,330.62 = 51,761,417.77 : x
  2. Step 2: Convert to fraction form
    138,083,565.30/207,064,330.62 = 51,761,417.77/x
  3. Step 3: Cross multiply
    138,083,565.30x = 207,064,330.62 × 51,761,417.77
  4. Step 4: Simplify right side
    138,083,565.30x = 10,717,943,322,487,224
  5. Step 5: Solve for x
    x = 10,717,943,322,487,224/138,083,565.30
  6. Step 6: Final answer
    x = 77,619,253.96

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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.