Home / 189,490,635.40-284,235,953.10-108,869,067.40

Finding the Fourth Proportional to 189,490,635.40, 284,235,953.10 and 108,869,067.40

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Solution

The fourth proportional to 189,490,635.40, 284,235,953.10 and 108,869,067.40 is: 163,303,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,490,635.40 : 284,235,953.10 = 108,869,067.40 : x
  2. Step 2: Convert to fraction form
    189,490,635.40/284,235,953.10 = 108,869,067.40/x
  3. Step 3: Cross multiply
    189,490,635.40x = 284,235,953.10 × 108,869,067.40
  4. Step 4: Simplify right side
    189,490,635.40x = 30,944,503,135,547,144
  5. Step 5: Solve for x
    x = 30,944,503,135,547,144/189,490,635.40
  6. Step 6: Final answer
    x = 163,303,601.10

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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.