Home / 132,107,713.40-198,161,570.10-45,817,441.40

Finding the Fourth Proportional to 132,107,713.40, 198,161,570.10 and 45,817,441.40

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Solution

The fourth proportional to 132,107,713.40, 198,161,570.10 and 45,817,441.40 is: 68,726,162.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,107,713.40 : 198,161,570.10 = 45,817,441.40 : x
  2. Step 2: Convert to fraction form
    132,107,713.40/198,161,570.10 = 45,817,441.40/x
  3. Step 3: Cross multiply
    132,107,713.40x = 198,161,570.10 × 45,817,441.40
  4. Step 4: Simplify right side
    132,107,713.40x = 9,079,256,125,788,742
  5. Step 5: Solve for x
    x = 9,079,256,125,788,742/132,107,713.40
  6. Step 6: Final answer
    x = 68,726,162.10

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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.