Home / 190,120,527.27-284,689,644.84-131,214,672.90

Finding the Fourth Proportional to 190,120,527.27, 284,689,644.84 and 131,214,672.90

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Solution

The fourth proportional to 190,120,527.27, 284,689,644.84 and 131,214,672.90 is: 196,483,037.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,120,527.27 : 284,689,644.84 = 131,214,672.90 : x
  2. Step 2: Convert to fraction form
    190,120,527.27/284,689,644.84 = 131,214,672.90/x
  3. Step 3: Cross multiply
    190,120,527.27x = 284,689,644.84 × 131,214,672.90
  4. Step 4: Simplify right side
    190,120,527.27x = 37,355,458,625,697,768
  5. Step 5: Solve for x
    x = 37,355,458,625,697,768/190,120,527.27
  6. Step 6: Final answer
    x = 196,483,037.17

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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.