Home / 193,746,138.80-267,370,919.18-105,641,587.76

Finding the Fourth Proportional to 193,746,138.80, 267,370,919.18 and 105,641,587.76

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Solution

The fourth proportional to 193,746,138.80, 267,370,919.18 and 105,641,587.76 is: 145,786,071.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,746,138.80 : 267,370,919.18 = 105,641,587.76 : x
  2. Step 2: Convert to fraction form
    193,746,138.80/267,370,919.18 = 105,641,587.76/x
  3. Step 3: Cross multiply
    193,746,138.80x = 267,370,919.18 × 105,641,587.76
  4. Step 4: Simplify right side
    193,746,138.80x = 28,245,488,423,025,840
  5. Step 5: Solve for x
    x = 28,245,488,423,025,840/193,746,138.80
  6. Step 6: Final answer
    x = 145,786,071.39

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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.