Home / 126,342,005.40-189,654,725.70-97,715,050.20

Finding the Fourth Proportional to 126,342,005.40, 189,654,725.70 and 97,715,050.20

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Solution

The fourth proportional to 126,342,005.40, 189,654,725.70 and 97,715,050.20 is: 146,682,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,342,005.40 : 189,654,725.70 = 97,715,050.20 : x
  2. Step 2: Convert to fraction form
    126,342,005.40/189,654,725.70 = 97,715,050.20/x
  3. Step 3: Cross multiply
    126,342,005.40x = 189,654,725.70 × 97,715,050.20
  4. Step 4: Simplify right side
    126,342,005.40x = 18,532,121,042,442,728
  5. Step 5: Solve for x
    x = 18,532,121,042,442,728/126,342,005.40
  6. Step 6: Final answer
    x = 146,682,182.10

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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.