Home / 102,976,078.10-154,464,117.15-54,435,175.70

Finding the Fourth Proportional to 102,976,078.10, 154,464,117.15 and 54,435,175.70

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Solution

The fourth proportional to 102,976,078.10, 154,464,117.15 and 54,435,175.70 is: 81,652,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,976,078.10 : 154,464,117.15 = 54,435,175.70 : x
  2. Step 2: Convert to fraction form
    102,976,078.10/154,464,117.15 = 54,435,175.70/x
  3. Step 3: Cross multiply
    102,976,078.10x = 154,464,117.15 × 54,435,175.70
  4. Step 4: Simplify right side
    102,976,078.10x = 8,408,281,356,405,634
  5. Step 5: Solve for x
    x = 8,408,281,356,405,634/102,976,078.10
  6. Step 6: Final answer
    x = 81,652,763.55

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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.