Home / 152,138,713.92-209,951,209.98-82,524,010.74

Finding the Fourth Proportional to 152,138,713.92, 209,951,209.98 and 82,524,010.74

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Solution

The fourth proportional to 152,138,713.92, 209,951,209.98 and 82,524,010.74 is: 113,883,018.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,138,713.92 : 209,951,209.98 = 82,524,010.74 : x
  2. Step 2: Convert to fraction form
    152,138,713.92/209,951,209.98 = 82,524,010.74/x
  3. Step 3: Cross multiply
    152,138,713.92x = 209,951,209.98 × 82,524,010.74
  4. Step 4: Simplify right side
    152,138,713.92x = 17,326,015,907,265,514
  5. Step 5: Solve for x
    x = 17,326,015,907,265,514/152,138,713.92
  6. Step 6: Final answer
    x = 113,883,018.08

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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.