Home / 65,863,099.80-90,890,988.24-36,496,334.40

Finding the Fourth Proportional to 65,863,099.80, 90,890,988.24 and 36,496,334.40

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Solution

The fourth proportional to 65,863,099.80, 90,890,988.24 and 36,496,334.40 is: 50,364,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,863,099.80 : 90,890,988.24 = 36,496,334.40 : x
  2. Step 2: Convert to fraction form
    65,863,099.80/90,890,988.24 = 36,496,334.40/x
  3. Step 3: Cross multiply
    65,863,099.80x = 90,890,988.24 × 36,496,334.40
  4. Step 4: Simplify right side
    65,863,099.80x = 3,317,187,900,753,507
  5. Step 5: Solve for x
    x = 3,317,187,900,753,507/65,863,099.80
  6. Step 6: Final answer
    x = 50,364,891.89

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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.