Home / 84,850,785.39-127,365,236.10-75,197,159.63

Finding the Fourth Proportional to 84,850,785.39, 127,365,236.10 and 75,197,159.63

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Solution

The fourth proportional to 84,850,785.39, 127,365,236.10 and 75,197,159.63 is: 112,874,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,850,785.39 : 127,365,236.10 = 75,197,159.63 : x
  2. Step 2: Convert to fraction form
    84,850,785.39/127,365,236.10 = 75,197,159.63/x
  3. Step 3: Cross multiply
    84,850,785.39x = 127,365,236.10 × 75,197,159.63
  4. Step 4: Simplify right side
    84,850,785.39x = 9,577,503,989,687,512
  5. Step 5: Solve for x
    x = 9,577,503,989,687,512/84,850,785.39
  6. Step 6: Final answer
    x = 112,874,665.16

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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.