Home / 102,976,254.60-154,464,381.90-54,435,352.20

Finding the Fourth Proportional to 102,976,254.60, 154,464,381.90 and 54,435,352.20

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Solution

The fourth proportional to 102,976,254.60, 154,464,381.90 and 54,435,352.20 is: 81,653,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,976,254.60 : 154,464,381.90 = 54,435,352.20 : x
  2. Step 2: Convert to fraction form
    102,976,254.60/154,464,381.90 = 54,435,352.20/x
  3. Step 3: Cross multiply
    102,976,254.60x = 154,464,381.90 × 54,435,352.20
  4. Step 4: Simplify right side
    102,976,254.60x = 8,408,323,031,081,806
  5. Step 5: Solve for x
    x = 8,408,323,031,081,806/102,976,254.60
  6. Step 6: Final answer
    x = 81,653,028.30

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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.