Home / 217,254,401.44-299,737,703.65-123,158,460.40

Finding the Fourth Proportional to 217,254,401.44, 299,737,703.65 and 123,158,460.40

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Solution

The fourth proportional to 217,254,401.44, 299,737,703.65 and 123,158,460.40 is: 169,917,082.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,254,401.44 : 299,737,703.65 = 123,158,460.40 : x
  2. Step 2: Convert to fraction form
    217,254,401.44/299,737,703.65 = 123,158,460.40/x
  3. Step 3: Cross multiply
    217,254,401.44x = 299,737,703.65 × 123,158,460.40
  4. Step 4: Simplify right side
    217,254,401.44x = 36,915,234,103,250,976
  5. Step 5: Solve for x
    x = 36,915,234,103,250,976/217,254,401.44
  6. Step 6: Final answer
    x = 169,917,082.74

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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.