Home / 126,143,999.60-189,215,999.40-35,267,442.80

Finding the Fourth Proportional to 126,143,999.60, 189,215,999.40 and 35,267,442.80

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Solution

The fourth proportional to 126,143,999.60, 189,215,999.40 and 35,267,442.80 is: 52,901,164.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,143,999.60 : 189,215,999.40 = 35,267,442.80 : x
  2. Step 2: Convert to fraction form
    126,143,999.60/189,215,999.40 = 35,267,442.80/x
  3. Step 3: Cross multiply
    126,143,999.60x = 189,215,999.40 × 35,267,442.80
  4. Step 4: Simplify right side
    126,143,999.60x = 6,673,164,435,684,334
  5. Step 5: Solve for x
    x = 6,673,164,435,684,334/126,143,999.60
  6. Step 6: Final answer
    x = 52,901,164.20

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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.