Home / 117,502,233.18-162,149,856.97-65,289,926.40

Finding the Fourth Proportional to 117,502,233.18, 162,149,856.97 and 65,289,926.40

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Solution

The fourth proportional to 117,502,233.18, 162,149,856.97 and 65,289,926.40 is: 90,098,306.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,502,233.18 : 162,149,856.97 = 65,289,926.40 : x
  2. Step 2: Convert to fraction form
    117,502,233.18/162,149,856.97 = 65,289,926.40/x
  3. Step 3: Cross multiply
    117,502,233.18x = 162,149,856.97 × 65,289,926.40
  4. Step 4: Simplify right side
    117,502,233.18x = 10,586,752,227,424,444
  5. Step 5: Solve for x
    x = 10,586,752,227,424,444/117,502,233.18
  6. Step 6: Final answer
    x = 90,098,306.57

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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.