Home / 132,389,171.60-198,583,757.40-74,993,543.60

Finding the Fourth Proportional to 132,389,171.60, 198,583,757.40 and 74,993,543.60

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Solution

The fourth proportional to 132,389,171.60, 198,583,757.40 and 74,993,543.60 is: 112,490,315.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,389,171.60 : 198,583,757.40 = 74,993,543.60 : x
  2. Step 2: Convert to fraction form
    132,389,171.60/198,583,757.40 = 74,993,543.60/x
  3. Step 3: Cross multiply
    132,389,171.60x = 198,583,757.40 × 74,993,543.60
  4. Step 4: Simplify right side
    132,389,171.60x = 14,892,499,668,828,722
  5. Step 5: Solve for x
    x = 14,892,499,668,828,722/132,389,171.60
  6. Step 6: Final answer
    x = 112,490,315.40

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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.