Home / 65,698,832.58-90,664,976.13-36,332,140.83

Finding the Fourth Proportional to 65,698,832.58, 90,664,976.13 and 36,332,140.83

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Solution

The fourth proportional to 65,698,832.58, 90,664,976.13 and 36,332,140.83 is: 50,138,679.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,698,832.58 : 90,664,976.13 = 36,332,140.83 : x
  2. Step 2: Convert to fraction form
    65,698,832.58/90,664,976.13 = 36,332,140.83/x
  3. Step 3: Cross multiply
    65,698,832.58x = 90,664,976.13 × 36,332,140.83
  4. Step 4: Simplify right side
    65,698,832.58x = 3,294,052,681,103,748
  5. Step 5: Solve for x
    x = 3,294,052,681,103,748/65,698,832.58
  6. Step 6: Final answer
    x = 50,138,679.06

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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.