Home / 113,431,205.20-170,146,807.80-55,951,013.20

Finding the Fourth Proportional to 113,431,205.20, 170,146,807.80 and 55,951,013.20

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Solution

The fourth proportional to 113,431,205.20, 170,146,807.80 and 55,951,013.20 is: 83,926,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,431,205.20 : 170,146,807.80 = 55,951,013.20 : x
  2. Step 2: Convert to fraction form
    113,431,205.20/170,146,807.80 = 55,951,013.20/x
  3. Step 3: Cross multiply
    113,431,205.20x = 170,146,807.80 × 55,951,013.20
  4. Step 4: Simplify right side
    113,431,205.20x = 9,519,886,289,155,664
  5. Step 5: Solve for x
    x = 9,519,886,289,155,664/113,431,205.20
  6. Step 6: Final answer
    x = 83,926,519.80

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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.