Home / 71,984,401.80-108,037,160.78-67,444,312.82

Finding the Fourth Proportional to 71,984,401.80, 108,037,160.78 and 67,444,312.82

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Solution

The fourth proportional to 71,984,401.80, 108,037,160.78 and 67,444,312.82 is: 101,223,207.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,984,401.80 : 108,037,160.78 = 67,444,312.82 : x
  2. Step 2: Convert to fraction form
    71,984,401.80/108,037,160.78 = 67,444,312.82/x
  3. Step 3: Cross multiply
    71,984,401.80x = 108,037,160.78 × 67,444,312.82
  4. Step 4: Simplify right side
    71,984,401.80x = 7,286,492,066,953,548
  5. Step 5: Solve for x
    x = 7,286,492,066,953,548/71,984,401.80
  6. Step 6: Final answer
    x = 101,223,207.87

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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.