Home / 65,863,056.30-90,890,928.27-36,496,290.84

Finding the Fourth Proportional to 65,863,056.30, 90,890,928.27 and 36,496,290.84

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Solution

The fourth proportional to 65,863,056.30, 90,890,928.27 and 36,496,290.84 is: 50,364,831.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,863,056.30 : 90,890,928.27 = 36,496,290.84 : x
  2. Step 2: Convert to fraction form
    65,863,056.30/90,890,928.27 = 36,496,290.84/x
  3. Step 3: Cross multiply
    65,863,056.30x = 90,890,928.27 × 36,496,290.84
  4. Step 4: Simplify right side
    65,863,056.30x = 3,317,181,752,859,498
  5. Step 5: Solve for x
    x = 3,317,181,752,859,498/65,863,056.30
  6. Step 6: Final answer
    x = 50,364,831.81

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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.