Home / 228,179,082.48-314,894,261.77-129,057,890.28

Finding the Fourth Proportional to 228,179,082.48, 314,894,261.77 and 129,057,890.28

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Solution

The fourth proportional to 228,179,082.48, 314,894,261.77 and 129,057,890.28 is: 178,103,920.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,179,082.48 : 314,894,261.77 = 129,057,890.28 : x
  2. Step 2: Convert to fraction form
    228,179,082.48/314,894,261.77 = 129,057,890.28/x
  3. Step 3: Cross multiply
    228,179,082.48x = 314,894,261.77 × 129,057,890.28
  4. Step 4: Simplify right side
    228,179,082.48x = 40,639,589,083,810,760
  5. Step 5: Solve for x
    x = 40,639,589,083,810,760/228,179,082.48
  6. Step 6: Final answer
    x = 178,103,920.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.