Home / 193,585,818.20-267,145,065.52-105,480,539.85

Finding the Fourth Proportional to 193,585,818.20, 267,145,065.52 and 105,480,539.85

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Solution

The fourth proportional to 193,585,818.20, 267,145,065.52 and 105,480,539.85 is: 145,561,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,585,818.20 : 267,145,065.52 = 105,480,539.85 : x
  2. Step 2: Convert to fraction form
    193,585,818.20/267,145,065.52 = 105,480,539.85/x
  3. Step 3: Cross multiply
    193,585,818.20x = 267,145,065.52 × 105,480,539.85
  4. Step 4: Simplify right side
    193,585,818.20x = 28,178,605,729,049,520
  5. Step 5: Solve for x
    x = 28,178,605,729,049,520/193,585,818.20
  6. Step 6: Final answer
    x = 145,561,312.25

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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.