Home / 245,065,763.80-367,598,645.70-91,691,891.20

Finding the Fourth Proportional to 245,065,763.80, 367,598,645.70 and 91,691,891.20

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Solution

The fourth proportional to 245,065,763.80, 367,598,645.70 and 91,691,891.20 is: 137,537,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,065,763.80 : 367,598,645.70 = 91,691,891.20 : x
  2. Step 2: Convert to fraction form
    245,065,763.80/367,598,645.70 = 91,691,891.20/x
  3. Step 3: Cross multiply
    245,065,763.80x = 367,598,645.70 × 91,691,891.20
  4. Step 4: Simplify right side
    245,065,763.80x = 33,705,815,026,791,748
  5. Step 5: Solve for x
    x = 33,705,815,026,791,748/245,065,763.80
  6. Step 6: Final answer
    x = 137,537,836.80

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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.