Home / 82,440,009.60-123,660,014.40-41,625,340.80

Finding the Fourth Proportional to 82,440,009.60, 123,660,014.40 and 41,625,340.80

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Solution

The fourth proportional to 82,440,009.60, 123,660,014.40 and 41,625,340.80 is: 62,438,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,440,009.60 : 123,660,014.40 = 41,625,340.80 : x
  2. Step 2: Convert to fraction form
    82,440,009.60/123,660,014.40 = 41,625,340.80/x
  3. Step 3: Cross multiply
    82,440,009.60x = 123,660,014.40 × 41,625,340.80
  4. Step 4: Simplify right side
    82,440,009.60x = 5,147,390,242,732,907
  5. Step 5: Solve for x
    x = 5,147,390,242,732,907/82,440,009.60
  6. Step 6: Final answer
    x = 62,438,011.20

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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.