Home / 52,992,007.20-79,488,010.80-49,632,775.20

Finding the Fourth Proportional to 52,992,007.20, 79,488,010.80 and 49,632,775.20

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Solution

The fourth proportional to 52,992,007.20, 79,488,010.80 and 49,632,775.20 is: 74,449,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,992,007.20 : 79,488,010.80 = 49,632,775.20 : x
  2. Step 2: Convert to fraction form
    52,992,007.20/79,488,010.80 = 49,632,775.20/x
  3. Step 3: Cross multiply
    52,992,007.20x = 79,488,010.80 × 49,632,775.20
  4. Step 4: Simplify right side
    52,992,007.20x = 3,945,210,571,131,572
  5. Step 5: Solve for x
    x = 3,945,210,571,131,572/52,992,007.20
  6. Step 6: Final answer
    x = 74,449,162.80

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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.