Home / 210,171,972.25-315,288,046.03-64,617,756.42

Finding the Fourth Proportional to 210,171,972.25, 315,288,046.03 and 64,617,756.42

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Solution

The fourth proportional to 210,171,972.25, 315,288,046.03 and 64,617,756.42 is: 96,935,885.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,171,972.25 : 315,288,046.03 = 64,617,756.42 : x
  2. Step 2: Convert to fraction form
    210,171,972.25/315,288,046.03 = 64,617,756.42/x
  3. Step 3: Cross multiply
    210,171,972.25x = 315,288,046.03 × 64,617,756.42
  4. Step 4: Simplify right side
    210,171,972.25x = 20,373,206,160,342,744
  5. Step 5: Solve for x
    x = 20,373,206,160,342,744/210,171,972.25
  6. Step 6: Final answer
    x = 96,935,885.13

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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.