Home / 189,319,110.17-284,068,599.68-131,116,356.18

Finding the Fourth Proportional to 189,319,110.17, 284,068,599.68 and 131,116,356.18

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Solution

The fourth proportional to 189,319,110.17, 284,068,599.68 and 131,116,356.18 is: 196,736,819.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,319,110.17 : 284,068,599.68 = 131,116,356.18 : x
  2. Step 2: Convert to fraction form
    189,319,110.17/284,068,599.68 = 131,116,356.18/x
  3. Step 3: Cross multiply
    189,319,110.17x = 284,068,599.68 × 131,116,356.18
  4. Step 4: Simplify right side
    189,319,110.17x = 37,246,039,695,524,504
  5. Step 5: Solve for x
    x = 37,246,039,695,524,504/189,319,110.17
  6. Step 6: Final answer
    x = 196,736,819.98

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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.