Home / 74,923,315.20-112,384,972.80-39,016,857.60

Finding the Fourth Proportional to 74,923,315.20, 112,384,972.80 and 39,016,857.60

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Solution

The fourth proportional to 74,923,315.20, 112,384,972.80 and 39,016,857.60 is: 58,525,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,923,315.20 : 112,384,972.80 = 39,016,857.60 : x
  2. Step 2: Convert to fraction form
    74,923,315.20/112,384,972.80 = 39,016,857.60/x
  3. Step 3: Cross multiply
    74,923,315.20x = 112,384,972.80 × 39,016,857.60
  4. Step 4: Simplify right side
    74,923,315.20x = 4,384,908,480,117,473.50
  5. Step 5: Solve for x
    x = 4,384,908,480,117,473.50/74,923,315.20
  6. Step 6: Final answer
    x = 58,525,286.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.