Home / 144,456,015.20-216,638,505.84-47,389,103.84

Finding the Fourth Proportional to 144,456,015.20, 216,638,505.84 and 47,389,103.84

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Solution

The fourth proportional to 144,456,015.20, 216,638,505.84 and 47,389,103.84 is: 71,068,723.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,456,015.20 : 216,638,505.84 = 47,389,103.84 : x
  2. Step 2: Convert to fraction form
    144,456,015.20/216,638,505.84 = 47,389,103.84/x
  3. Step 3: Cross multiply
    144,456,015.20x = 216,638,505.84 × 47,389,103.84
  4. Step 4: Simplify right side
    144,456,015.20x = 10,266,304,648,994,208
  5. Step 5: Solve for x
    x = 10,266,304,648,994,208/144,456,015.20
  6. Step 6: Final answer
    x = 71,068,723.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.