Home / 145,400,527.28-200,649,498.36-80,210,414

Finding the Fourth Proportional to 145,400,527.28, 200,649,498.36 and 80,210,414

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Solution

The fourth proportional to 145,400,527.28, 200,649,498.36 and 80,210,414 is: 110,688,589.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,400,527.28 : 200,649,498.36 = 80,210,414 : x
  2. Step 2: Convert to fraction form
    145,400,527.28/200,649,498.36 = 80,210,414/x
  3. Step 3: Cross multiply
    145,400,527.28x = 200,649,498.36 × 80,210,414
  4. Step 4: Simplify right side
    145,400,527.28x = 16,094,179,332,347,922
  5. Step 5: Solve for x
    x = 16,094,179,332,347,922/145,400,527.28
  6. Step 6: Final answer
    x = 110,688,589.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.