Home / 257,821,233.07-355,793,340.02-140,347,455.12

Finding the Fourth Proportional to 257,821,233.07, 355,793,340.02 and 140,347,455.12

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Solution

The fourth proportional to 257,821,233.07, 355,793,340.02 and 140,347,455.12 is: 193,679,508.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,821,233.07 : 355,793,340.02 = 140,347,455.12 : x
  2. Step 2: Convert to fraction form
    257,821,233.07/355,793,340.02 = 140,347,455.12/x
  3. Step 3: Cross multiply
    257,821,233.07x = 355,793,340.02 × 140,347,455.12
  4. Step 4: Simplify right side
    257,821,233.07x = 49,934,689,820,451,848
  5. Step 5: Solve for x
    x = 49,934,689,820,451,848/257,821,233.07
  6. Step 6: Final answer
    x = 193,679,508.96

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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.