Home / 126,445,286.40-189,809,647.20-97,818,331.20

Finding the Fourth Proportional to 126,445,286.40, 189,809,647.20 and 97,818,331.20

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Solution

The fourth proportional to 126,445,286.40, 189,809,647.20 and 97,818,331.20 is: 146,837,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,445,286.40 : 189,809,647.20 = 97,818,331.20 : x
  2. Step 2: Convert to fraction form
    126,445,286.40/189,809,647.20 = 97,818,331.20/x
  3. Step 3: Cross multiply
    126,445,286.40x = 189,809,647.20 × 97,818,331.20
  4. Step 4: Simplify right side
    126,445,286.40x = 18,566,862,934,764,752
  5. Step 5: Solve for x
    x = 18,566,862,934,764,752/126,445,286.40
  6. Step 6: Final answer
    x = 146,837,129.82

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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.