Home / 91,422,492.73-126,156,828.67-50,172,042.31

Finding the Fourth Proportional to 91,422,492.73, 126,156,828.67 and 50,172,042.31

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Solution

The fourth proportional to 91,422,492.73, 126,156,828.67 and 50,172,042.31 is: 69,234,009.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,422,492.73 : 126,156,828.67 = 50,172,042.31 : x
  2. Step 2: Convert to fraction form
    91,422,492.73/126,156,828.67 = 50,172,042.31/x
  3. Step 3: Cross multiply
    91,422,492.73x = 126,156,828.67 × 50,172,042.31
  4. Step 4: Simplify right side
    91,422,492.73x = 6,329,545,745,285,839
  5. Step 5: Solve for x
    x = 6,329,545,745,285,839/91,422,492.73
  6. Step 6: Final answer
    x = 69,234,009.67

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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.