Home / 65,451,358.97-90,323,571.12-36,083,742.50

Finding the Fourth Proportional to 65,451,358.97, 90,323,571.12 and 36,083,742.50

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Solution

The fourth proportional to 65,451,358.97, 90,323,571.12 and 36,083,742.50 is: 49,795,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,451,358.97 : 90,323,571.12 = 36,083,742.50 : x
  2. Step 2: Convert to fraction form
    65,451,358.97/90,323,571.12 = 36,083,742.50/x
  3. Step 3: Cross multiply
    65,451,358.97x = 90,323,571.12 × 36,083,742.50
  4. Step 4: Simplify right side
    65,451,358.97x = 3,259,212,482,065,011
  5. Step 5: Solve for x
    x = 3,259,212,482,065,011/65,451,358.97
  6. Step 6: Final answer
    x = 49,795,948.22

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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.