Home / 132,837,639.35-199,314,007.19-71,355,064.20

Finding the Fourth Proportional to 132,837,639.35, 199,314,007.19 and 71,355,064.20

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Solution

The fourth proportional to 132,837,639.35, 199,314,007.19 and 71,355,064.20 is: 107,063,508.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,837,639.35 : 199,314,007.19 = 71,355,064.20 : x
  2. Step 2: Convert to fraction form
    132,837,639.35/199,314,007.19 = 71,355,064.20/x
  3. Step 3: Cross multiply
    132,837,639.35x = 199,314,007.19 × 71,355,064.20
  4. Step 4: Simplify right side
    132,837,639.35x = 14,222,063,778,644,938
  5. Step 5: Solve for x
    x = 14,222,063,778,644,938/132,837,639.35
  6. Step 6: Final answer
    x = 107,063,508.87

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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.