Home / 257,821,232.69-355,793,339.50-140,347,454.74

Finding the Fourth Proportional to 257,821,232.69, 355,793,339.50 and 140,347,454.74

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Solution

The fourth proportional to 257,821,232.69, 355,793,339.50 and 140,347,454.74 is: 193,679,508.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,821,232.69 : 355,793,339.50 = 140,347,454.74 : x
  2. Step 2: Convert to fraction form
    257,821,232.69/355,793,339.50 = 140,347,454.74/x
  3. Step 3: Cross multiply
    257,821,232.69x = 355,793,339.50 × 140,347,454.74
  4. Step 4: Simplify right side
    257,821,232.69x = 49,934,689,611,029,360
  5. Step 5: Solve for x
    x = 49,934,689,611,029,360/257,821,232.69
  6. Step 6: Final answer
    x = 193,679,508.43

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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.