Home / 254,548,358.06-381,616,489.31-79,581,329.55

Finding the Fourth Proportional to 254,548,358.06, 381,616,489.31 and 79,581,329.55

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Solution

The fourth proportional to 254,548,358.06, 381,616,489.31 and 79,581,329.55 is: 119,307,576.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,548,358.06 : 381,616,489.31 = 79,581,329.55 : x
  2. Step 2: Convert to fraction form
    254,548,358.06/381,616,489.31 = 79,581,329.55/x
  3. Step 3: Cross multiply
    254,548,358.06x = 381,616,489.31 × 79,581,329.55
  4. Step 4: Simplify right side
    254,548,358.06x = 30,369,547,597,095,256
  5. Step 5: Solve for x
    x = 30,369,547,597,095,256/254,548,358.06
  6. Step 6: Final answer
    x = 119,307,576.09

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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.