Home / 54,013,983.32-81,018,116.66-15,155,141.34

Finding the Fourth Proportional to 54,013,983.32, 81,018,116.66 and 15,155,141.34

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Solution

The fourth proportional to 54,013,983.32, 81,018,116.66 and 15,155,141.34 is: 22,731,910.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,013,983.32 : 81,018,116.66 = 15,155,141.34 : x
  2. Step 2: Convert to fraction form
    54,013,983.32/81,018,116.66 = 15,155,141.34/x
  3. Step 3: Cross multiply
    54,013,983.32x = 81,018,116.66 × 15,155,141.34
  4. Step 4: Simplify right side
    54,013,983.32x = 1,227,841,009,082,908.75
  5. Step 5: Solve for x
    x = 1,227,841,009,082,908.75/54,013,983.32
  6. Step 6: Final answer
    x = 22,731,910.03

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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.