Home / 79,273,649-109,397,411.90-43,996,780.40

Finding the Fourth Proportional to 79,273,649, 109,397,411.90 and 43,996,780.40

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Solution

The fourth proportional to 79,273,649, 109,397,411.90 and 43,996,780.40 is: 60,715,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,273,649 : 109,397,411.90 = 43,996,780.40 : x
  2. Step 2: Convert to fraction form
    79,273,649/109,397,411.90 = 43,996,780.40/x
  3. Step 3: Cross multiply
    79,273,649x = 109,397,411.90 × 43,996,780.40
  4. Step 4: Simplify right side
    79,273,649x = 4,813,133,907,692,647
  5. Step 5: Solve for x
    x = 4,813,133,907,692,647/79,273,649
  6. Step 6: Final answer
    x = 60,715,432.79

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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.