Home / 74,391,864.88-111,481,824.22-54,807,070.72

Finding the Fourth Proportional to 74,391,864.88, 111,481,824.22 and 54,807,070.72

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Solution

The fourth proportional to 74,391,864.88, 111,481,824.22 and 54,807,070.72 is: 82,132,532.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,391,864.88 : 111,481,824.22 = 54,807,070.72 : x
  2. Step 2: Convert to fraction form
    74,391,864.88/111,481,824.22 = 54,807,070.72/x
  3. Step 3: Cross multiply
    74,391,864.88x = 111,481,824.22 × 54,807,070.72
  4. Step 4: Simplify right side
    74,391,864.88x = 6,109,992,224,020,149
  5. Step 5: Solve for x
    x = 6,109,992,224,020,149/74,391,864.88
  6. Step 6: Final answer
    x = 82,132,532.02

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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.