Home / 121,280,209.05-181,920,313.58-35,021,429.85

Finding the Fourth Proportional to 121,280,209.05, 181,920,313.58 and 35,021,429.85

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Solution

The fourth proportional to 121,280,209.05, 181,920,313.58 and 35,021,429.85 is: 52,532,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,280,209.05 : 181,920,313.58 = 35,021,429.85 : x
  2. Step 2: Convert to fraction form
    121,280,209.05/181,920,313.58 = 35,021,429.85/x
  3. Step 3: Cross multiply
    121,280,209.05x = 181,920,313.58 × 35,021,429.85
  4. Step 4: Simplify right side
    121,280,209.05x = 6,371,109,500,156,865
  5. Step 5: Solve for x
    x = 6,371,109,500,156,865/121,280,209.05
  6. Step 6: Final answer
    x = 52,532,144.78

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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.