Home / 65,698,775.12-90,664,897.12-36,332,083.58

Finding the Fourth Proportional to 65,698,775.12, 90,664,897.12 and 36,332,083.58

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Solution

The fourth proportional to 65,698,775.12, 90,664,897.12 and 36,332,083.58 is: 50,138,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,698,775.12 : 90,664,897.12 = 36,332,083.58 : x
  2. Step 2: Convert to fraction form
    65,698,775.12/90,664,897.12 = 36,332,083.58/x
  3. Step 3: Cross multiply
    65,698,775.12x = 90,664,897.12 × 36,332,083.58
  4. Step 4: Simplify right side
    65,698,775.12x = 3,294,044,619,391,787
  5. Step 5: Solve for x
    x = 3,294,044,619,391,787/65,698,775.12
  6. Step 6: Final answer
    x = 50,138,600.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.