Home / 65,863,082.80-90,890,964.84-36,496,317.34

Finding the Fourth Proportional to 65,863,082.80, 90,890,964.84 and 36,496,317.34

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Solution

The fourth proportional to 65,863,082.80, 90,890,964.84 and 36,496,317.34 is: 50,364,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,863,082.80 : 90,890,964.84 = 36,496,317.34 : x
  2. Step 2: Convert to fraction form
    65,863,082.80/90,890,964.84 = 36,496,317.34/x
  3. Step 3: Cross multiply
    65,863,082.80x = 90,890,964.84 × 36,496,317.34
  4. Step 4: Simplify right side
    65,863,082.80x = 3,317,185,496,139,423
  5. Step 5: Solve for x
    x = 3,317,185,496,139,423/65,863,082.80
  6. Step 6: Final answer
    x = 50,364,868.38

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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.