Home / 268,091,149.61-402,140,735.76-102,103,821.53

Finding the Fourth Proportional to 268,091,149.61, 402,140,735.76 and 102,103,821.53

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Solution

The fourth proportional to 268,091,149.61, 402,140,735.76 and 102,103,821.53 is: 153,157,260.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,091,149.61 : 402,140,735.76 = 102,103,821.53 : x
  2. Step 2: Convert to fraction form
    268,091,149.61/402,140,735.76 = 102,103,821.53/x
  3. Step 3: Cross multiply
    268,091,149.61x = 402,140,735.76 × 102,103,821.53
  4. Step 4: Simplify right side
    268,091,149.61x = 41,060,105,913,981,928
  5. Step 5: Solve for x
    x = 41,060,105,913,981,928/268,091,149.61
  6. Step 6: Final answer
    x = 153,157,260.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.