Home / 189,319,113.54-284,068,604.75-131,116,359.56

Finding the Fourth Proportional to 189,319,113.54, 284,068,604.75 and 131,116,359.56

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Solution

The fourth proportional to 189,319,113.54, 284,068,604.75 and 131,116,359.56 is: 196,736,825.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,319,113.54 : 284,068,604.75 = 131,116,359.56 : x
  2. Step 2: Convert to fraction form
    189,319,113.54/284,068,604.75 = 131,116,359.56/x
  3. Step 3: Cross multiply
    189,319,113.54x = 284,068,604.75 × 131,116,359.56
  4. Step 4: Simplify right side
    189,319,113.54x = 37,246,041,318,032,600
  5. Step 5: Solve for x
    x = 37,246,041,318,032,600/189,319,113.54
  6. Step 6: Final answer
    x = 196,736,825.04

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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.