Home / 131,908,671.90-197,863,007.85-112,351,643.10

Finding the Fourth Proportional to 131,908,671.90, 197,863,007.85 and 112,351,643.10

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Solution

The fourth proportional to 131,908,671.90, 197,863,007.85 and 112,351,643.10 is: 168,527,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,908,671.90 : 197,863,007.85 = 112,351,643.10 : x
  2. Step 2: Convert to fraction form
    131,908,671.90/197,863,007.85 = 112,351,643.10/x
  3. Step 3: Cross multiply
    131,908,671.90x = 197,863,007.85 × 112,351,643.10
  4. Step 4: Simplify right side
    131,908,671.90x = 22,230,234,040,655,696
  5. Step 5: Solve for x
    x = 22,230,234,040,655,696/131,908,671.90
  6. Step 6: Final answer
    x = 168,527,464.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.