Home / 126,326,705.74-189,508,134.40-38,895,620.43

Finding the Fourth Proportional to 126,326,705.74, 189,508,134.40 and 38,895,620.43

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Solution

The fourth proportional to 126,326,705.74, 189,508,134.40 and 38,895,620.43 is: 58,348,996.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,326,705.74 : 189,508,134.40 = 38,895,620.43 : x
  2. Step 2: Convert to fraction form
    126,326,705.74/189,508,134.40 = 38,895,620.43/x
  3. Step 3: Cross multiply
    126,326,705.74x = 189,508,134.40 × 38,895,620.43
  4. Step 4: Simplify right side
    126,326,705.74x = 7,371,036,463,567,260
  5. Step 5: Solve for x
    x = 7,371,036,463,567,260/126,326,705.74
  6. Step 6: Final answer
    x = 58,348,996.12

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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.