Home / 189,563,362.20-284,376,536.10-74,551,656.60

Finding the Fourth Proportional to 189,563,362.20, 284,376,536.10 and 74,551,656.60

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Solution

The fourth proportional to 189,563,362.20, 284,376,536.10 and 74,551,656.60 is: 111,839,870.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,563,362.20 : 284,376,536.10 = 74,551,656.60 : x
  2. Step 2: Convert to fraction form
    189,563,362.20/284,376,536.10 = 74,551,656.60/x
  3. Step 3: Cross multiply
    189,563,362.20x = 284,376,536.10 × 74,551,656.60
  4. Step 4: Simplify right side
    189,563,362.20x = 21,200,741,864,424,704
  5. Step 5: Solve for x
    x = 21,200,741,864,424,704/189,563,362.20
  6. Step 6: Final answer
    x = 111,839,870.42

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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.