Home / 89,334,108.40-134,001,162.60-81,397,922.80

Finding the Fourth Proportional to 89,334,108.40, 134,001,162.60 and 81,397,922.80

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Solution

The fourth proportional to 89,334,108.40, 134,001,162.60 and 81,397,922.80 is: 122,096,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,334,108.40 : 134,001,162.60 = 81,397,922.80 : x
  2. Step 2: Convert to fraction form
    89,334,108.40/134,001,162.60 = 81,397,922.80/x
  3. Step 3: Cross multiply
    89,334,108.40x = 134,001,162.60 × 81,397,922.80
  4. Step 4: Simplify right side
    89,334,108.40x = 10,907,416,288,425,046
  5. Step 5: Solve for x
    x = 10,907,416,288,425,046/89,334,108.40
  6. Step 6: Final answer
    x = 122,096,884.20

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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.