Home / 205,481,643.73-308,189,655.72-59,881,147.56

Finding the Fourth Proportional to 205,481,643.73, 308,189,655.72 and 59,881,147.56

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Solution

The fourth proportional to 205,481,643.73, 308,189,655.72 and 59,881,147.56 is: 89,812,159.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,481,643.73 : 308,189,655.72 = 59,881,147.56 : x
  2. Step 2: Convert to fraction form
    205,481,643.73/308,189,655.72 = 59,881,147.56/x
  3. Step 3: Cross multiply
    205,481,643.73x = 308,189,655.72 × 59,881,147.56
  4. Step 4: Simplify right side
    205,481,643.73x = 18,454,750,251,555,096
  5. Step 5: Solve for x
    x = 18,454,750,251,555,096/205,481,643.73
  6. Step 6: Final answer
    x = 89,812,159.94

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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.