Home / 257,635,784.10-355,529,281.40-140,158,104.78

Finding the Fourth Proportional to 257,635,784.10, 355,529,281.40 and 140,158,104.78

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Solution

The fourth proportional to 257,635,784.10, 355,529,281.40 and 140,158,104.78 is: 193,413,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,635,784.10 : 355,529,281.40 = 140,158,104.78 : x
  2. Step 2: Convert to fraction form
    257,635,784.10/355,529,281.40 = 140,158,104.78/x
  3. Step 3: Cross multiply
    257,635,784.10x = 355,529,281.40 × 140,158,104.78
  4. Step 4: Simplify right side
    257,635,784.10x = 49,830,310,274,819,304
  5. Step 5: Solve for x
    x = 49,830,310,274,819,304/257,635,784.10
  6. Step 6: Final answer
    x = 193,413,777.71

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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.