Home / 108,656,515.20-162,928,785.60-40,464,105.60

Finding the Fourth Proportional to 108,656,515.20, 162,928,785.60 and 40,464,105.60

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Solution

The fourth proportional to 108,656,515.20, 162,928,785.60 and 40,464,105.60 is: 60,675,308.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,656,515.20 : 162,928,785.60 = 40,464,105.60 : x
  2. Step 2: Convert to fraction form
    108,656,515.20/162,928,785.60 = 40,464,105.60/x
  3. Step 3: Cross multiply
    108,656,515.20x = 162,928,785.60 × 40,464,105.60
  4. Step 4: Simplify right side
    108,656,515.20x = 6,592,767,585,798,159
  5. Step 5: Solve for x
    x = 6,592,767,585,798,159/108,656,515.20
  6. Step 6: Final answer
    x = 60,675,308.55

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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.