Home / 123,853,903.20-185,780,854.80-83,039,234.40

Finding the Fourth Proportional to 123,853,903.20, 185,780,854.80 and 83,039,234.40

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Solution

The fourth proportional to 123,853,903.20, 185,780,854.80 and 83,039,234.40 is: 124,558,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,853,903.20 : 185,780,854.80 = 83,039,234.40 : x
  2. Step 2: Convert to fraction form
    123,853,903.20/185,780,854.80 = 83,039,234.40/x
  3. Step 3: Cross multiply
    123,853,903.20x = 185,780,854.80 × 83,039,234.40
  4. Step 4: Simplify right side
    123,853,903.20x = 15,427,099,948,769,568
  5. Step 5: Solve for x
    x = 15,427,099,948,769,568/123,853,903.20
  6. Step 6: Final answer
    x = 124,558,851.60

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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.