Home / 107,839,043.20-161,758,564.80-88,691,420.80

Finding the Fourth Proportional to 107,839,043.20, 161,758,564.80 and 88,691,420.80

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Solution

The fourth proportional to 107,839,043.20, 161,758,564.80 and 88,691,420.80 is: 133,037,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,839,043.20 : 161,758,564.80 = 88,691,420.80 : x
  2. Step 2: Convert to fraction form
    107,839,043.20/161,758,564.80 = 88,691,420.80/x
  3. Step 3: Cross multiply
    107,839,043.20x = 161,758,564.80 × 88,691,420.80
  4. Step 4: Simplify right side
    107,839,043.20x = 14,346,596,938,680,868
  5. Step 5: Solve for x
    x = 14,346,596,938,680,868/107,839,043.20
  6. Step 6: Final answer
    x = 133,037,131.20

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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.