Home / 43,012,301.60-64,518,452.40-39,727,719.20

Finding the Fourth Proportional to 43,012,301.60, 64,518,452.40 and 39,727,719.20

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Solution

The fourth proportional to 43,012,301.60, 64,518,452.40 and 39,727,719.20 is: 59,591,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,012,301.60 : 64,518,452.40 = 39,727,719.20 : x
  2. Step 2: Convert to fraction form
    43,012,301.60/64,518,452.40 = 39,727,719.20/x
  3. Step 3: Cross multiply
    43,012,301.60x = 64,518,452.40 × 39,727,719.20
  4. Step 4: Simplify right side
    43,012,301.60x = 2,563,170,960,165,766
  5. Step 5: Solve for x
    x = 2,563,170,960,165,766/43,012,301.60
  6. Step 6: Final answer
    x = 59,591,578.80

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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.