Home / 54,417,581.84-81,661,490.03-19,871,091.18

Finding the Fourth Proportional to 54,417,581.84, 81,661,490.03 and 19,871,091.18

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Solution

The fourth proportional to 54,417,581.84, 81,661,490.03 and 19,871,091.18 is: 29,819,460.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,417,581.84 : 81,661,490.03 = 19,871,091.18 : x
  2. Step 2: Convert to fraction form
    54,417,581.84/81,661,490.03 = 19,871,091.18/x
  3. Step 3: Cross multiply
    54,417,581.84x = 81,661,490.03 × 19,871,091.18
  4. Step 4: Simplify right side
    54,417,581.84x = 1,622,702,914,330,468.50
  5. Step 5: Solve for x
    x = 1,622,702,914,330,468.50/54,417,581.84
  6. Step 6: Final answer
    x = 29,819,460.17

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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.