Home / 126,480,329.40-189,791,352.90-53,684,722.20

Finding the Fourth Proportional to 126,480,329.40, 189,791,352.90 and 53,684,722.20

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Solution

The fourth proportional to 126,480,329.40, 189,791,352.90 and 53,684,722.20 is: 80,557,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,480,329.40 : 189,791,352.90 = 53,684,722.20 : x
  2. Step 2: Convert to fraction form
    126,480,329.40/189,791,352.90 = 53,684,722.20/x
  3. Step 3: Cross multiply
    126,480,329.40x = 189,791,352.90 × 53,684,722.20
  4. Step 4: Simplify right side
    126,480,329.40x = 10,188,896,056,398,666
  5. Step 5: Solve for x
    x = 10,188,896,056,398,666/126,480,329.40
  6. Step 6: Final answer
    x = 80,557,159.40

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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.