Home / 123,640,769.60-185,461,154.40-108,524,225.60

Finding the Fourth Proportional to 123,640,769.60, 185,461,154.40 and 108,524,225.60

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Solution

The fourth proportional to 123,640,769.60, 185,461,154.40 and 108,524,225.60 is: 162,786,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,640,769.60 : 185,461,154.40 = 108,524,225.60 : x
  2. Step 2: Convert to fraction form
    123,640,769.60/185,461,154.40 = 108,524,225.60/x
  3. Step 3: Cross multiply
    123,640,769.60x = 185,461,154.40 × 108,524,225.60
  4. Step 4: Simplify right side
    123,640,769.60x = 20,127,028,160,142,032
  5. Step 5: Solve for x
    x = 20,127,028,160,142,032/123,640,769.60
  6. Step 6: Final answer
    x = 162,786,338.40

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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.