Home / 50,499,286.80-69,690,384.36-30,919,802.64

Finding the Fourth Proportional to 50,499,286.80, 69,690,384.36 and 30,919,802.64

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Solution

The fourth proportional to 50,499,286.80, 69,690,384.36 and 30,919,802.64 is: 42,670,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,499,286.80 : 69,690,384.36 = 30,919,802.64 : x
  2. Step 2: Convert to fraction form
    50,499,286.80/69,690,384.36 = 30,919,802.64/x
  3. Step 3: Cross multiply
    50,499,286.80x = 69,690,384.36 × 30,919,802.64
  4. Step 4: Simplify right side
    50,499,286.80x = 2,154,812,930,316,942.75
  5. Step 5: Solve for x
    x = 2,154,812,930,316,942.75/50,499,286.80
  6. Step 6: Final answer
    x = 42,670,165.60

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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.