Home / 259,200,685.60-388,857,015.60-77,466,234.40

Finding the Fourth Proportional to 259,200,685.60, 388,857,015.60 and 77,466,234.40

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Solution

The fourth proportional to 259,200,685.60, 388,857,015.60 and 77,466,234.40 is: 116,216,084.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,200,685.60 : 388,857,015.60 = 77,466,234.40 : x
  2. Step 2: Convert to fraction form
    259,200,685.60/388,857,015.60 = 77,466,234.40/x
  3. Step 3: Cross multiply
    259,200,685.60x = 388,857,015.60 × 77,466,234.40
  4. Step 4: Simplify right side
    259,200,685.60x = 30,123,288,718,554,060
  5. Step 5: Solve for x
    x = 30,123,288,718,554,060/259,200,685.60
  6. Step 6: Final answer
    x = 116,216,084.26

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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.