Home / 124,992,021.80-187,488,032.70-112,268,930.60

Finding the Fourth Proportional to 124,992,021.80, 187,488,032.70 and 112,268,930.60

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Solution

The fourth proportional to 124,992,021.80, 187,488,032.70 and 112,268,930.60 is: 168,403,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,992,021.80 : 187,488,032.70 = 112,268,930.60 : x
  2. Step 2: Convert to fraction form
    124,992,021.80/187,488,032.70 = 112,268,930.60/x
  3. Step 3: Cross multiply
    124,992,021.80x = 187,488,032.70 × 112,268,930.60
  4. Step 4: Simplify right side
    124,992,021.80x = 21,049,080,931,526,828
  5. Step 5: Solve for x
    x = 21,049,080,931,526,828/124,992,021.80
  6. Step 6: Final answer
    x = 168,403,395.90

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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.