Home / 65,998,962.40-98,959,077.60-40,458,301.60

Finding the Fourth Proportional to 65,998,962.40, 98,959,077.60 and 40,458,301.60

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Solution

The fourth proportional to 65,998,962.40, 98,959,077.60 and 40,458,301.60 is: 60,663,320.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,998,962.40 : 98,959,077.60 = 40,458,301.60 : x
  2. Step 2: Convert to fraction form
    65,998,962.40/98,959,077.60 = 40,458,301.60/x
  3. Step 3: Cross multiply
    65,998,962.40x = 98,959,077.60 × 40,458,301.60
  4. Step 4: Simplify right side
    65,998,962.40x = 4,003,716,207,598,604
  5. Step 5: Solve for x
    x = 4,003,716,207,598,604/65,998,962.40
  6. Step 6: Final answer
    x = 60,663,320.48

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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.