Home / 65,863,071.21-90,890,948.28-36,496,304.94

Finding the Fourth Proportional to 65,863,071.21, 90,890,948.28 and 36,496,304.94

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Solution

The fourth proportional to 65,863,071.21, 90,890,948.28 and 36,496,304.94 is: 50,364,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,863,071.21 : 90,890,948.28 = 36,496,304.94 : x
  2. Step 2: Convert to fraction form
    65,863,071.21/90,890,948.28 = 36,496,304.94/x
  3. Step 3: Cross multiply
    65,863,071.21x = 90,890,948.28 × 36,496,304.94
  4. Step 4: Simplify right side
    65,863,071.21x = 3,317,183,764,712,648.50
  5. Step 5: Solve for x
    x = 3,317,183,764,712,648.50/65,863,071.21
  6. Step 6: Final answer
    x = 50,364,850.95

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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.