Home / 43,459,432.80-65,189,149.20-13,168,802.40

Finding the Fourth Proportional to 43,459,432.80, 65,189,149.20 and 13,168,802.40

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Solution

The fourth proportional to 43,459,432.80, 65,189,149.20 and 13,168,802.40 is: 19,753,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,459,432.80 : 65,189,149.20 = 13,168,802.40 : x
  2. Step 2: Convert to fraction form
    43,459,432.80/65,189,149.20 = 13,168,802.40/x
  3. Step 3: Cross multiply
    43,459,432.80x = 65,189,149.20 × 13,168,802.40
  4. Step 4: Simplify right side
    43,459,432.80x = 858,463,024,438,918.12
  5. Step 5: Solve for x
    x = 858,463,024,438,918.12/43,459,432.80
  6. Step 6: Final answer
    x = 19,753,203.60

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Similar ratio
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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.