Home / 49,786,645.40-74,679,968.10-49,467,780.80

Finding the Fourth Proportional to 49,786,645.40, 74,679,968.10 and 49,467,780.80

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Solution

The fourth proportional to 49,786,645.40, 74,679,968.10 and 49,467,780.80 is: 74,201,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,786,645.40 : 74,679,968.10 = 49,467,780.80 : x
  2. Step 2: Convert to fraction form
    49,786,645.40/74,679,968.10 = 49,467,780.80/x
  3. Step 3: Cross multiply
    49,786,645.40x = 74,679,968.10 × 49,467,780.80
  4. Step 4: Simplify right side
    49,786,645.40x = 3,694,252,292,121,792
  5. Step 5: Solve for x
    x = 3,694,252,292,121,792/49,786,645.40
  6. Step 6: Final answer
    x = 74,201,671.20

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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.