Home / 155,060,434.65-213,984,834.90-85,448,306.73

Finding the Fourth Proportional to 155,060,434.65, 213,984,834.90 and 85,448,306.73

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Solution

The fourth proportional to 155,060,434.65, 213,984,834.90 and 85,448,306.73 is: 117,919,454.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,060,434.65 : 213,984,834.90 = 85,448,306.73 : x
  2. Step 2: Convert to fraction form
    155,060,434.65/213,984,834.90 = 85,448,306.73/x
  3. Step 3: Cross multiply
    155,060,434.65x = 213,984,834.90 × 85,448,306.73
  4. Step 4: Simplify right side
    155,060,434.65x = 18,284,641,808,103,612
  5. Step 5: Solve for x
    x = 18,284,641,808,103,612/155,060,434.65
  6. Step 6: Final answer
    x = 117,919,454.11

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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.