Home / 230,886,791.12-318,655,472.30-141,562,938.71

Finding the Fourth Proportional to 230,886,791.12, 318,655,472.30 and 141,562,938.71

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Solution

The fourth proportional to 230,886,791.12, 318,655,472.30 and 141,562,938.71 is: 195,376,291.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,886,791.12 : 318,655,472.30 = 141,562,938.71 : x
  2. Step 2: Convert to fraction form
    230,886,791.12/318,655,472.30 = 141,562,938.71/x
  3. Step 3: Cross multiply
    230,886,791.12x = 318,655,472.30 × 141,562,938.71
  4. Step 4: Simplify right side
    230,886,791.12x = 45,109,805,094,811,008
  5. Step 5: Solve for x
    x = 45,109,805,094,811,008/230,886,791.12
  6. Step 6: Final answer
    x = 195,376,291.89

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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.