Home / 205,481,643.29-308,189,655.07-59,881,147.13

Finding the Fourth Proportional to 205,481,643.29, 308,189,655.07 and 59,881,147.13

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Solution

The fourth proportional to 205,481,643.29, 308,189,655.07 and 59,881,147.13 is: 89,812,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,481,643.29 : 308,189,655.07 = 59,881,147.13 : x
  2. Step 2: Convert to fraction form
    205,481,643.29/308,189,655.07 = 59,881,147.13/x
  3. Step 3: Cross multiply
    205,481,643.29x = 308,189,655.07 × 59,881,147.13
  4. Step 4: Simplify right side
    205,481,643.29x = 18,454,750,077,499,968
  5. Step 5: Solve for x
    x = 18,454,750,077,499,968/205,481,643.29
  6. Step 6: Final answer
    x = 89,812,159.28

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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.