Home / 57,080,295.92-78,771,022.48-30,974,819.16

Finding the Fourth Proportional to 57,080,295.92, 78,771,022.48 and 30,974,819.16

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Solution

The fourth proportional to 57,080,295.92, 78,771,022.48 and 30,974,819.16 is: 42,745,366.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,080,295.92 : 78,771,022.48 = 30,974,819.16 : x
  2. Step 2: Convert to fraction form
    57,080,295.92/78,771,022.48 = 30,974,819.16/x
  3. Step 3: Cross multiply
    57,080,295.92x = 78,771,022.48 × 30,974,819.16
  4. Step 4: Simplify right side
    57,080,295.92x = 2,439,918,176,366,295
  5. Step 5: Solve for x
    x = 2,439,918,176,366,295/57,080,295.92
  6. Step 6: Final answer
    x = 42,745,366.63

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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.