Home / 126,342,090.40-189,654,853.20-97,715,135.20

Finding the Fourth Proportional to 126,342,090.40, 189,654,853.20 and 97,715,135.20

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Solution

The fourth proportional to 126,342,090.40, 189,654,853.20 and 97,715,135.20 is: 146,682,309.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,342,090.40 : 189,654,853.20 = 97,715,135.20 : x
  2. Step 2: Convert to fraction form
    126,342,090.40/189,654,853.20 = 97,715,135.20/x
  3. Step 3: Cross multiply
    126,342,090.40x = 189,654,853.20 × 97,715,135.20
  4. Step 4: Simplify right side
    126,342,090.40x = 18,532,149,621,774,152
  5. Step 5: Solve for x
    x = 18,532,149,621,774,152/126,342,090.40
  6. Step 6: Final answer
    x = 146,682,309.62

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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.