Home / 132,867,999.40-199,301,999.10-75,472,371.40

Finding the Fourth Proportional to 132,867,999.40, 199,301,999.10 and 75,472,371.40

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Solution

The fourth proportional to 132,867,999.40, 199,301,999.10 and 75,472,371.40 is: 113,208,557.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,867,999.40 : 199,301,999.10 = 75,472,371.40 : x
  2. Step 2: Convert to fraction form
    132,867,999.40/199,301,999.10 = 75,472,371.40/x
  3. Step 3: Cross multiply
    132,867,999.40x = 199,301,999.10 × 75,472,371.40
  4. Step 4: Simplify right side
    132,867,999.40x = 15,041,794,496,837,666
  5. Step 5: Solve for x
    x = 15,041,794,496,837,666/132,867,999.40
  6. Step 6: Final answer
    x = 113,208,557.10

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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.