Home / 126,326,665.96-189,508,074.70-38,895,580.56

Finding the Fourth Proportional to 126,326,665.96, 189,508,074.70 and 38,895,580.56

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Solution

The fourth proportional to 126,326,665.96, 189,508,074.70 and 38,895,580.56 is: 58,348,936.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,326,665.96 : 189,508,074.70 = 38,895,580.56 : x
  2. Step 2: Convert to fraction form
    126,326,665.96/189,508,074.70 = 38,895,580.56/x
  3. Step 3: Cross multiply
    126,326,665.96x = 189,508,074.70 × 38,895,580.56
  4. Step 4: Simplify right side
    126,326,665.96x = 7,371,026,586,264,348
  5. Step 5: Solve for x
    x = 7,371,026,586,264,348/126,326,665.96
  6. Step 6: Final answer
    x = 58,348,936.31

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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.