Home / 215,536,131.81-323,508,595.92-133,406,576.28

Finding the Fourth Proportional to 215,536,131.81, 323,508,595.92 and 133,406,576.28

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Solution

The fourth proportional to 215,536,131.81, 323,508,595.92 and 133,406,576.28 is: 200,236,377.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,536,131.81 : 323,508,595.92 = 133,406,576.28 : x
  2. Step 2: Convert to fraction form
    215,536,131.81/323,508,595.92 = 133,406,576.28/x
  3. Step 3: Cross multiply
    215,536,131.81x = 323,508,595.92 × 133,406,576.28
  4. Step 4: Simplify right side
    215,536,131.81x = 43,158,174,178,837,176
  5. Step 5: Solve for x
    x = 43,158,174,178,837,176/215,536,131.81
  6. Step 6: Final answer
    x = 200,236,377.15

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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.