Home / 123,786,020.40-185,679,030.60-32,918,794.80

Finding the Fourth Proportional to 123,786,020.40, 185,679,030.60 and 32,918,794.80

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Solution

The fourth proportional to 123,786,020.40, 185,679,030.60 and 32,918,794.80 is: 49,378,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,786,020.40 : 185,679,030.60 = 32,918,794.80 : x
  2. Step 2: Convert to fraction form
    123,786,020.40/185,679,030.60 = 32,918,794.80/x
  3. Step 3: Cross multiply
    123,786,020.40x = 185,679,030.60 × 32,918,794.80
  4. Step 4: Simplify right side
    123,786,020.40x = 6,112,329,906,984,321
  5. Step 5: Solve for x
    x = 6,112,329,906,984,321/123,786,020.40
  6. Step 6: Final answer
    x = 49,378,192.20

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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.