Home / 91,898,450.76-126,819,863.26-50,645,342.72

Finding the Fourth Proportional to 91,898,450.76, 126,819,863.26 and 50,645,342.72

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Solution

The fourth proportional to 91,898,450.76, 126,819,863.26 and 50,645,342.72 is: 69,890,573.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,898,450.76 : 126,819,863.26 = 50,645,342.72 : x
  2. Step 2: Convert to fraction form
    91,898,450.76/126,819,863.26 = 50,645,342.72/x
  3. Step 3: Cross multiply
    91,898,450.76x = 126,819,863.26 × 50,645,342.72
  4. Step 4: Simplify right side
    91,898,450.76x = 6,422,835,438,506,237
  5. Step 5: Solve for x
    x = 6,422,835,438,506,237/91,898,450.76
  6. Step 6: Final answer
    x = 69,890,573.62

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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.