Home / 257,821,234.07-355,793,341.40-140,347,456.12

Finding the Fourth Proportional to 257,821,234.07, 355,793,341.40 and 140,347,456.12

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Solution

The fourth proportional to 257,821,234.07, 355,793,341.40 and 140,347,456.12 is: 193,679,510.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,821,234.07 : 355,793,341.40 = 140,347,456.12 : x
  2. Step 2: Convert to fraction form
    257,821,234.07/355,793,341.40 = 140,347,456.12/x
  3. Step 3: Cross multiply
    257,821,234.07x = 355,793,341.40 × 140,347,456.12
  4. Step 4: Simplify right side
    257,821,234.07x = 49,934,690,369,924,680
  5. Step 5: Solve for x
    x = 49,934,690,369,924,680/257,821,234.07
  6. Step 6: Final answer
    x = 193,679,510.34

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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.