Home / 96,821,761.60-145,232,642.40-89,431,451.20

Finding the Fourth Proportional to 96,821,761.60, 145,232,642.40 and 89,431,451.20

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Solution

The fourth proportional to 96,821,761.60, 145,232,642.40 and 89,431,451.20 is: 134,147,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,821,761.60 : 145,232,642.40 = 89,431,451.20 : x
  2. Step 2: Convert to fraction form
    96,821,761.60/145,232,642.40 = 89,431,451.20/x
  3. Step 3: Cross multiply
    96,821,761.60x = 145,232,642.40 × 89,431,451.20
  4. Step 4: Simplify right side
    96,821,761.60x = 12,988,365,971,442,652
  5. Step 5: Solve for x
    x = 12,988,365,971,442,652/96,821,761.60
  6. Step 6: Final answer
    x = 134,147,176.80

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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.