Home / 131,231,207.40-196,846,811.10-123,672,935.40

Finding the Fourth Proportional to 131,231,207.40, 196,846,811.10 and 123,672,935.40

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Solution

The fourth proportional to 131,231,207.40, 196,846,811.10 and 123,672,935.40 is: 185,509,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,231,207.40 : 196,846,811.10 = 123,672,935.40 : x
  2. Step 2: Convert to fraction form
    131,231,207.40/196,846,811.10 = 123,672,935.40/x
  3. Step 3: Cross multiply
    131,231,207.40x = 196,846,811.10 × 123,672,935.40
  4. Step 4: Simplify right side
    131,231,207.40x = 24,344,622,952,866,304
  5. Step 5: Solve for x
    x = 24,344,622,952,866,304/131,231,207.40
  6. Step 6: Final answer
    x = 185,509,403.10

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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.