Home / 54,013,975.31-81,018,104.67-15,155,133.32

Finding the Fourth Proportional to 54,013,975.31, 81,018,104.67 and 15,155,133.32

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Solution

The fourth proportional to 54,013,975.31, 81,018,104.67 and 15,155,133.32 is: 22,731,898.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,013,975.31 : 81,018,104.67 = 15,155,133.32 : x
  2. Step 2: Convert to fraction form
    54,013,975.31/81,018,104.67 = 15,155,133.32/x
  3. Step 3: Cross multiply
    54,013,975.31x = 81,018,104.67 × 15,155,133.32
  4. Step 4: Simplify right side
    54,013,975.31x = 1,227,840,177,202,474
  5. Step 5: Solve for x
    x = 1,227,840,177,202,474/54,013,975.31
  6. Step 6: Final answer
    x = 22,731,898.00

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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.