Home / 121,864,417.41-182,790,188.12-39,972,508.59

Finding the Fourth Proportional to 121,864,417.41, 182,790,188.12 and 39,972,508.59

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Solution

The fourth proportional to 121,864,417.41, 182,790,188.12 and 39,972,508.59 is: 59,956,651.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,864,417.41 : 182,790,188.12 = 39,972,508.59 : x
  2. Step 2: Convert to fraction form
    121,864,417.41/182,790,188.12 = 39,972,508.59/x
  3. Step 3: Cross multiply
    121,864,417.41x = 182,790,188.12 × 39,972,508.59
  4. Step 4: Simplify right side
    121,864,417.41x = 7,306,582,365,579,811
  5. Step 5: Solve for x
    x = 7,306,582,365,579,811/121,864,417.41
  6. Step 6: Final answer
    x = 59,956,651.18

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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.