Home / 53,940,021.40-80,910,032.10-53,044,226.20

Finding the Fourth Proportional to 53,940,021.40, 80,910,032.10 and 53,044,226.20

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Solution

The fourth proportional to 53,940,021.40, 80,910,032.10 and 53,044,226.20 is: 79,566,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,940,021.40 : 80,910,032.10 = 53,044,226.20 : x
  2. Step 2: Convert to fraction form
    53,940,021.40/80,910,032.10 = 53,044,226.20/x
  3. Step 3: Cross multiply
    53,940,021.40x = 80,910,032.10 × 53,044,226.20
  4. Step 4: Simplify right side
    53,940,021.40x = 4,291,810,044,561,661
  5. Step 5: Solve for x
    x = 4,291,810,044,561,661/53,940,021.40
  6. Step 6: Final answer
    x = 79,566,339.30

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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.