Home / 90,325,068.60-124,647,929.82-49,072,299.96

Finding the Fourth Proportional to 90,325,068.60, 124,647,929.82 and 49,072,299.96

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Solution

The fourth proportional to 90,325,068.60, 124,647,929.82 and 49,072,299.96 is: 67,719,412.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,325,068.60 : 124,647,929.82 = 49,072,299.96 : x
  2. Step 2: Convert to fraction form
    90,325,068.60/124,647,929.82 = 49,072,299.96/x
  3. Step 3: Cross multiply
    90,325,068.60x = 124,647,929.82 × 49,072,299.96
  4. Step 4: Simplify right side
    90,325,068.60x = 6,116,760,601,520,069
  5. Step 5: Solve for x
    x = 6,116,760,601,520,069/90,325,068.60
  6. Step 6: Final answer
    x = 67,719,412.74

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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.