Home / 207,360,665.60-311,040,998.40-153,612,953.60

Finding the Fourth Proportional to 207,360,665.60, 311,040,998.40 and 153,612,953.60

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Solution

The fourth proportional to 207,360,665.60, 311,040,998.40 and 153,612,953.60 is: 230,419,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,360,665.60 : 311,040,998.40 = 153,612,953.60 : x
  2. Step 2: Convert to fraction form
    207,360,665.60/311,040,998.40 = 153,612,953.60/x
  3. Step 3: Cross multiply
    207,360,665.60x = 311,040,998.40 × 153,612,953.60
  4. Step 4: Simplify right side
    207,360,665.60x = 47,779,926,454,916,872
  5. Step 5: Solve for x
    x = 47,779,926,454,916,872/207,360,665.60
  6. Step 6: Final answer
    x = 230,419,430.40

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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.