Home / 91,567,951.70-126,363,744.27-50,317,501.28

Finding the Fourth Proportional to 91,567,951.70, 126,363,744.27 and 50,317,501.28

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Solution

The fourth proportional to 91,567,951.70, 126,363,744.27 and 50,317,501.28 is: 69,438,135.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,567,951.70 : 126,363,744.27 = 50,317,501.28 : x
  2. Step 2: Convert to fraction form
    91,567,951.70/126,363,744.27 = 50,317,501.28/x
  3. Step 3: Cross multiply
    91,567,951.70x = 126,363,744.27 × 50,317,501.28
  4. Step 4: Simplify right side
    91,567,951.70x = 6,358,307,863,419,499
  5. Step 5: Solve for x
    x = 6,358,307,863,419,499/91,567,951.70
  6. Step 6: Final answer
    x = 69,438,135.79

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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.