Home / 100,926,180-139,278,184.37-54,516,434.18

Finding the Fourth Proportional to 100,926,180, 139,278,184.37 and 54,516,434.18

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Solution

The fourth proportional to 100,926,180, 139,278,184.37 and 54,516,434.18 is: 75,232,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,926,180 : 139,278,184.37 = 54,516,434.18 : x
  2. Step 2: Convert to fraction form
    100,926,180/139,278,184.37 = 54,516,434.18/x
  3. Step 3: Cross multiply
    100,926,180x = 139,278,184.37 × 54,516,434.18
  4. Step 4: Simplify right side
    100,926,180x = 7,592,949,969,948,037
  5. Step 5: Solve for x
    x = 7,592,949,969,948,037/100,926,180
  6. Step 6: Final answer
    x = 75,232,709.39

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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.