Home / 132,129,546.21-198,196,312.55-45,870,693.53

Finding the Fourth Proportional to 132,129,546.21, 198,196,312.55 and 45,870,693.53

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Solution

The fourth proportional to 132,129,546.21, 198,196,312.55 and 45,870,693.53 is: 68,806,732.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,129,546.21 : 198,196,312.55 = 45,870,693.53 : x
  2. Step 2: Convert to fraction form
    132,129,546.21/198,196,312.55 = 45,870,693.53/x
  3. Step 3: Cross multiply
    132,129,546.21x = 198,196,312.55 × 45,870,693.53
  4. Step 4: Simplify right side
    132,129,546.21x = 9,091,402,310,536,806
  5. Step 5: Solve for x
    x = 9,091,402,310,536,806/132,129,546.21
  6. Step 6: Final answer
    x = 68,806,732.27

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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.