Home / 256,016,207.50-353,189,779.50-150,115,568.20

Finding the Fourth Proportional to 256,016,207.50, 353,189,779.50 and 150,115,568.20

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Solution

The fourth proportional to 256,016,207.50, 353,189,779.50 and 150,115,568.20 is: 207,093,468.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,016,207.50 : 353,189,779.50 = 150,115,568.20 : x
  2. Step 2: Convert to fraction form
    256,016,207.50/353,189,779.50 = 150,115,568.20/x
  3. Step 3: Cross multiply
    256,016,207.50x = 353,189,779.50 × 150,115,568.20
  4. Step 4: Simplify right side
    256,016,207.50x = 53,019,284,432,075,208
  5. Step 5: Solve for x
    x = 53,019,284,432,075,208/256,016,207.50
  6. Step 6: Final answer
    x = 207,093,468.61

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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.