Home / 144,519,787.19-199,436,801.18-78,440,281.83

Finding the Fourth Proportional to 144,519,787.19, 199,436,801.18 and 78,440,281.83

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Solution

The fourth proportional to 144,519,787.19, 199,436,801.18 and 78,440,281.83 is: 108,247,314.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,519,787.19 : 199,436,801.18 = 78,440,281.83 : x
  2. Step 2: Convert to fraction form
    144,519,787.19/199,436,801.18 = 78,440,281.83/x
  3. Step 3: Cross multiply
    144,519,787.19x = 199,436,801.18 × 78,440,281.83
  4. Step 4: Simplify right side
    144,519,787.19x = 15,643,878,891,440,676
  5. Step 5: Solve for x
    x = 15,643,878,891,440,676/144,519,787.19
  6. Step 6: Final answer
    x = 108,247,314.75

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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.