Home / 193,116,872.20-289,726,629.90-83,895,176.20

Finding the Fourth Proportional to 193,116,872.20, 289,726,629.90 and 83,895,176.20

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Solution

The fourth proportional to 193,116,872.20, 289,726,629.90 and 83,895,176.20 is: 125,865,059.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,116,872.20 : 289,726,629.90 = 83,895,176.20 : x
  2. Step 2: Convert to fraction form
    193,116,872.20/289,726,629.90 = 83,895,176.20/x
  3. Step 3: Cross multiply
    193,116,872.20x = 289,726,629.90 × 83,895,176.20
  4. Step 4: Simplify right side
    193,116,872.20x = 24,306,666,665,292,688
  5. Step 5: Solve for x
    x = 24,306,666,665,292,688/193,116,872.20
  6. Step 6: Final answer
    x = 125,865,059.79

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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.