Home / 57,836,885.80-86,897,046.30-43,487,978.80

Finding the Fourth Proportional to 57,836,885.80, 86,897,046.30 and 43,487,978.80

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Solution

The fourth proportional to 57,836,885.80, 86,897,046.30 and 43,487,978.80 is: 65,338,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,836,885.80 : 86,897,046.30 = 43,487,978.80 : x
  2. Step 2: Convert to fraction form
    57,836,885.80/86,897,046.30 = 43,487,978.80/x
  3. Step 3: Cross multiply
    57,836,885.80x = 86,897,046.30 × 43,487,978.80
  4. Step 4: Simplify right side
    57,836,885.80x = 3,778,976,907,277,018
  5. Step 5: Solve for x
    x = 3,778,976,907,277,018/57,836,885.80
  6. Step 6: Final answer
    x = 65,338,526.70

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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.