Home / 126,121,600.80-189,182,401.20-105,714,266.40

Finding the Fourth Proportional to 126,121,600.80, 189,182,401.20 and 105,714,266.40

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Solution

The fourth proportional to 126,121,600.80, 189,182,401.20 and 105,714,266.40 is: 158,571,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,121,600.80 : 189,182,401.20 = 105,714,266.40 : x
  2. Step 2: Convert to fraction form
    126,121,600.80/189,182,401.20 = 105,714,266.40/x
  3. Step 3: Cross multiply
    126,121,600.80x = 189,182,401.20 × 105,714,266.40
  4. Step 4: Simplify right side
    126,121,600.80x = 19,999,278,758,648,480
  5. Step 5: Solve for x
    x = 19,999,278,758,648,480/126,121,600.80
  6. Step 6: Final answer
    x = 158,571,399.60

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1.5x scale

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.