Home / 378,869,242.68-568,323,913.14-120,104,649

Finding the Fourth Proportional to 378,869,242.68, 568,323,913.14 and 120,104,649

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Solution

The fourth proportional to 378,869,242.68, 568,323,913.14 and 120,104,649 is: 180,163,329.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,869,242.68 : 568,323,913.14 = 120,104,649 : x
  2. Step 2: Convert to fraction form
    378,869,242.68/568,323,913.14 = 120,104,649/x
  3. Step 3: Cross multiply
    378,869,242.68x = 568,323,913.14 × 120,104,649
  4. Step 4: Simplify right side
    378,869,242.68x = 68,258,344,105,986,184
  5. Step 5: Solve for x
    x = 68,258,344,105,986,184/378,869,242.68
  6. Step 6: Final answer
    x = 180,163,329.24

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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.