Home / 99,505,654.24-137,311,770.40-54,849,673.28

Finding the Fourth Proportional to 99,505,654.24, 137,311,770.40 and 54,849,673.28

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Solution

The fourth proportional to 99,505,654.24, 137,311,770.40 and 54,849,673.28 is: 75,689,223.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,505,654.24 : 137,311,770.40 = 54,849,673.28 : x
  2. Step 2: Convert to fraction form
    99,505,654.24/137,311,770.40 = 54,849,673.28/x
  3. Step 3: Cross multiply
    99,505,654.24x = 137,311,770.40 × 54,849,673.28
  4. Step 4: Simplify right side
    99,505,654.24x = 7,531,505,743,938,375
  5. Step 5: Solve for x
    x = 7,531,505,743,938,375/99,505,654.24
  6. Step 6: Final answer
    x = 75,689,223.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.