Home / 132,862,623.40-199,325,427.90-68,176,412.20

Finding the Fourth Proportional to 132,862,623.40, 199,325,427.90 and 68,176,412.20

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Solution

The fourth proportional to 132,862,623.40, 199,325,427.90 and 68,176,412.20 is: 102,280,778.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,862,623.40 : 199,325,427.90 = 68,176,412.20 : x
  2. Step 2: Convert to fraction form
    132,862,623.40/199,325,427.90 = 68,176,412.20/x
  3. Step 3: Cross multiply
    132,862,623.40x = 199,325,427.90 × 68,176,412.20
  4. Step 4: Simplify right side
    132,862,623.40x = 13,589,292,534,451,782
  5. Step 5: Solve for x
    x = 13,589,292,534,451,782/132,862,623.40
  6. Step 6: Final answer
    x = 102,280,778.35

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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.