Home / 276,037,825.89-380,926,068.66-152,278,470.21

Finding the Fourth Proportional to 276,037,825.89, 380,926,068.66 and 152,278,470.21

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Solution

The fourth proportional to 276,037,825.89, 380,926,068.66 and 152,278,470.21 is: 210,140,906.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,037,825.89 : 380,926,068.66 = 152,278,470.21 : x
  2. Step 2: Convert to fraction form
    276,037,825.89/380,926,068.66 = 152,278,470.21/x
  3. Step 3: Cross multiply
    276,037,825.89x = 380,926,068.66 × 152,278,470.21
  4. Step 4: Simplify right side
    276,037,825.89x = 58,006,838,998,654,232
  5. Step 5: Solve for x
    x = 58,006,838,998,654,232/276,037,825.89
  6. Step 6: Final answer
    x = 210,140,906.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.