Home / 79,273,647-109,397,409.15-43,996,778.40

Finding the Fourth Proportional to 79,273,647, 109,397,409.15 and 43,996,778.40

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Solution

The fourth proportional to 79,273,647, 109,397,409.15 and 43,996,778.40 is: 60,715,430.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,273,647 : 109,397,409.15 = 43,996,778.40 : x
  2. Step 2: Convert to fraction form
    79,273,647/109,397,409.15 = 43,996,778.40/x
  3. Step 3: Cross multiply
    79,273,647x = 109,397,409.15 × 43,996,778.40
  4. Step 4: Simplify right side
    79,273,647x = 4,813,133,568,234,209
  5. Step 5: Solve for x
    x = 4,813,133,568,234,209/79,273,647
  6. Step 6: Final answer
    x = 60,715,430.04

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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.