Home / 64,646,207.20-96,969,310.80-40,412,497.60

Finding the Fourth Proportional to 64,646,207.20, 96,969,310.80 and 40,412,497.60

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Solution

The fourth proportional to 64,646,207.20, 96,969,310.80 and 40,412,497.60 is: 60,618,746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,646,207.20 : 96,969,310.80 = 40,412,497.60 : x
  2. Step 2: Convert to fraction form
    64,646,207.20/96,969,310.80 = 40,412,497.60/x
  3. Step 3: Cross multiply
    64,646,207.20x = 96,969,310.80 × 40,412,497.60
  4. Step 4: Simplify right side
    64,646,207.20x = 3,918,772,039,978,654
  5. Step 5: Solve for x
    x = 3,918,772,039,978,654/64,646,207.20
  6. Step 6: Final answer
    x = 60,618,746.40

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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.