Home / 126,130,865.40-189,196,298.10-125,280,559.80

Finding the Fourth Proportional to 126,130,865.40, 189,196,298.10 and 125,280,559.80

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Solution

The fourth proportional to 126,130,865.40, 189,196,298.10 and 125,280,559.80 is: 187,920,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,130,865.40 : 189,196,298.10 = 125,280,559.80 : x
  2. Step 2: Convert to fraction form
    126,130,865.40/189,196,298.10 = 125,280,559.80/x
  3. Step 3: Cross multiply
    126,130,865.40x = 189,196,298.10 × 125,280,559.80
  4. Step 4: Simplify right side
    126,130,865.40x = 23,702,618,138,055,676
  5. Step 5: Solve for x
    x = 23,702,618,138,055,676/126,130,865.40
  6. Step 6: Final answer
    x = 187,920,839.70

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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.