Home / 67,025,233.70-100,537,854.60-21,587,028.20

Finding the Fourth Proportional to 67,025,233.70, 100,537,854.60 and 21,587,028.20

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Solution

The fourth proportional to 67,025,233.70, 100,537,854.60 and 21,587,028.20 is: 32,380,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,025,233.70 : 100,537,854.60 = 21,587,028.20 : x
  2. Step 2: Convert to fraction form
    67,025,233.70/100,537,854.60 = 21,587,028.20/x
  3. Step 3: Cross multiply
    67,025,233.70x = 100,537,854.60 × 21,587,028.20
  4. Step 4: Simplify right side
    67,025,233.70x = 2,170,313,502,417,699.50
  5. Step 5: Solve for x
    x = 2,170,313,502,417,699.50/67,025,233.70
  6. Step 6: Final answer
    x = 32,380,543.60

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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.