Home / 61,247,619.10-91,871,428.65-18,113,465.62

Finding the Fourth Proportional to 61,247,619.10, 91,871,428.65 and 18,113,465.62

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Solution

The fourth proportional to 61,247,619.10, 91,871,428.65 and 18,113,465.62 is: 27,170,198.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,247,619.10 : 91,871,428.65 = 18,113,465.62 : x
  2. Step 2: Convert to fraction form
    61,247,619.10/91,871,428.65 = 18,113,465.62/x
  3. Step 3: Cross multiply
    61,247,619.10x = 91,871,428.65 × 18,113,465.62
  4. Step 4: Simplify right side
    61,247,619.10x = 1,664,109,964,312,058.25
  5. Step 5: Solve for x
    x = 1,664,109,964,312,058.25/61,247,619.10
  6. Step 6: Final answer
    x = 27,170,198.43

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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.