Home / 228,007,015.72-314,650,145.33-123,585,157.78

Finding the Fourth Proportional to 228,007,015.72, 314,650,145.33 and 123,585,157.78

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Solution

The fourth proportional to 228,007,015.72, 314,650,145.33 and 123,585,157.78 is: 170,547,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,007,015.72 : 314,650,145.33 = 123,585,157.78 : x
  2. Step 2: Convert to fraction form
    228,007,015.72/314,650,145.33 = 123,585,157.78/x
  3. Step 3: Cross multiply
    228,007,015.72x = 314,650,145.33 × 123,585,157.78
  4. Step 4: Simplify right side
    228,007,015.72x = 38,886,087,856,107,976
  5. Step 5: Solve for x
    x = 38,886,087,856,107,976/228,007,015.72
  6. Step 6: Final answer
    x = 170,547,769.04

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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.