Home / 138,733,654.26-191,452,437.66-76,012,132.11

Finding the Fourth Proportional to 138,733,654.26, 191,452,437.66 and 76,012,132.11

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Solution

The fourth proportional to 138,733,654.26, 191,452,437.66 and 76,012,132.11 is: 104,896,739.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,733,654.26 : 191,452,437.66 = 76,012,132.11 : x
  2. Step 2: Convert to fraction form
    138,733,654.26/191,452,437.66 = 76,012,132.11/x
  3. Step 3: Cross multiply
    138,733,654.26x = 191,452,437.66 × 76,012,132.11
  4. Step 4: Simplify right side
    138,733,654.26x = 14,552,707,984,193,458
  5. Step 5: Solve for x
    x = 14,552,707,984,193,458/138,733,654.26
  6. Step 6: Final answer
    x = 104,896,739.45

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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.