Home / 189,813,384.85-284,260,292.41-131,357,260.50

Finding the Fourth Proportional to 189,813,384.85, 284,260,292.41 and 131,357,260.50

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Solution

The fourth proportional to 189,813,384.85, 284,260,292.41 and 131,357,260.50 is: 196,717,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,813,384.85 : 284,260,292.41 = 131,357,260.50 : x
  2. Step 2: Convert to fraction form
    189,813,384.85/284,260,292.41 = 131,357,260.50/x
  3. Step 3: Cross multiply
    189,813,384.85x = 284,260,292.41 × 131,357,260.50
  4. Step 4: Simplify right side
    189,813,384.85x = 37,339,653,279,906,544
  5. Step 5: Solve for x
    x = 37,339,653,279,906,544/189,813,384.85
  6. Step 6: Final answer
    x = 196,717,704.13

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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.