Home / 126,195,422.10-189,218,483.55-65,729,246.10

Finding the Fourth Proportional to 126,195,422.10, 189,218,483.55 and 65,729,246.10

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Solution

The fourth proportional to 126,195,422.10, 189,218,483.55 and 65,729,246.10 is: 98,554,987.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,195,422.10 : 189,218,483.55 = 65,729,246.10 : x
  2. Step 2: Convert to fraction form
    126,195,422.10/189,218,483.55 = 65,729,246.10/x
  3. Step 3: Cross multiply
    126,195,422.10x = 189,218,483.55 × 65,729,246.10
  4. Step 4: Simplify right side
    126,195,422.10x = 12,437,188,271,926,752
  5. Step 5: Solve for x
    x = 12,437,188,271,926,752/126,195,422.10
  6. Step 6: Final answer
    x = 98,554,987.69

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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.