Home / 83,928,897-125,887,566.96-51,585,791.40

Finding the Fourth Proportional to 83,928,897, 125,887,566.96 and 51,585,791.40

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Solution

The fourth proportional to 83,928,897, 125,887,566.96 and 51,585,791.40 is: 77,375,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,928,897 : 125,887,566.96 = 51,585,791.40 : x
  2. Step 2: Convert to fraction form
    83,928,897/125,887,566.96 = 51,585,791.40/x
  3. Step 3: Cross multiply
    83,928,897x = 125,887,566.96 × 51,585,791.40
  4. Step 4: Simplify right side
    83,928,897x = 6,494,009,769,052,092
  5. Step 5: Solve for x
    x = 6,494,009,769,052,092/83,928,897
  6. Step 6: Final answer
    x = 77,375,135.40

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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.