Home / 79,880,293.20-119,836,719.72-36,140,042.10

Finding the Fourth Proportional to 79,880,293.20, 119,836,719.72 and 36,140,042.10

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Solution

The fourth proportional to 79,880,293.20, 119,836,719.72 and 36,140,042.10 is: 54,217,428.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,880,293.20 : 119,836,719.72 = 36,140,042.10 : x
  2. Step 2: Convert to fraction form
    79,880,293.20/119,836,719.72 = 36,140,042.10/x
  3. Step 3: Cross multiply
    79,880,293.20x = 119,836,719.72 × 36,140,042.10
  4. Step 4: Simplify right side
    79,880,293.20x = 4,330,904,095,806,700.50
  5. Step 5: Solve for x
    x = 4,330,904,095,806,700.50/79,880,293.20
  6. Step 6: Final answer
    x = 54,217,428.63

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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.