Home / 90,948,230.10-136,423,511.55-30,363,956.10

Finding the Fourth Proportional to 90,948,230.10, 136,423,511.55 and 30,363,956.10

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Solution

The fourth proportional to 90,948,230.10, 136,423,511.55 and 30,363,956.10 is: 45,546,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,948,230.10 : 136,423,511.55 = 30,363,956.10 : x
  2. Step 2: Convert to fraction form
    90,948,230.10/136,423,511.55 = 30,363,956.10/x
  3. Step 3: Cross multiply
    90,948,230.10x = 136,423,511.55 × 30,363,956.10
  4. Step 4: Simplify right side
    90,948,230.10x = 4,142,357,515,712,043.50
  5. Step 5: Solve for x
    x = 4,142,357,515,712,043.50/90,948,230.10
  6. Step 6: Final answer
    x = 45,546,323.56

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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.