Home / 80,930,771.79-111,684,386.14-43,760,963.06

Finding the Fourth Proportional to 80,930,771.79, 111,684,386.14 and 43,760,963.06

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Solution

The fourth proportional to 80,930,771.79, 111,684,386.14 and 43,760,963.06 is: 60,390,086.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,930,771.79 : 111,684,386.14 = 43,760,963.06 : x
  2. Step 2: Convert to fraction form
    80,930,771.79/111,684,386.14 = 43,760,963.06/x
  3. Step 3: Cross multiply
    80,930,771.79x = 111,684,386.14 × 43,760,963.06
  4. Step 4: Simplify right side
    80,930,771.79x = 4,887,416,296,251,316
  5. Step 5: Solve for x
    x = 4,887,416,296,251,316/80,930,771.79
  6. Step 6: Final answer
    x = 60,390,086.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.