Home / 77,632,452.80-116,243,392.80-62,207,979.20

Finding the Fourth Proportional to 77,632,452.80, 116,243,392.80 and 62,207,979.20

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Solution

The fourth proportional to 77,632,452.80, 116,243,392.80 and 62,207,979.20 is: 93,147,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,632,452.80 : 116,243,392.80 = 62,207,979.20 : x
  2. Step 2: Convert to fraction form
    77,632,452.80/116,243,392.80 = 62,207,979.20/x
  3. Step 3: Cross multiply
    77,632,452.80x = 116,243,392.80 × 62,207,979.20
  4. Step 4: Simplify right side
    77,632,452.80x = 7,231,266,561,439,830
  5. Step 5: Solve for x
    x = 7,231,266,561,439,830/77,632,452.80
  6. Step 6: Final answer
    x = 93,147,469.91

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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.