Home / 117,287,106.40-175,930,659.60-74,015,999.20

Finding the Fourth Proportional to 117,287,106.40, 175,930,659.60 and 74,015,999.20

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Solution

The fourth proportional to 117,287,106.40, 175,930,659.60 and 74,015,999.20 is: 111,023,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,287,106.40 : 175,930,659.60 = 74,015,999.20 : x
  2. Step 2: Convert to fraction form
    117,287,106.40/175,930,659.60 = 74,015,999.20/x
  3. Step 3: Cross multiply
    117,287,106.40x = 175,930,659.60 × 74,015,999.20
  4. Step 4: Simplify right side
    117,287,106.40x = 13,021,683,560,209,072
  5. Step 5: Solve for x
    x = 13,021,683,560,209,072/117,287,106.40
  6. Step 6: Final answer
    x = 111,023,998.80

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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.