Home / 215,438,774.64-323,636,458.92-133,618,118.40

Finding the Fourth Proportional to 215,438,774.64, 323,636,458.92 and 133,618,118.40

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Solution

The fourth proportional to 215,438,774.64, 323,636,458.92 and 133,618,118.40 is: 200,723,824.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,438,774.64 : 323,636,458.92 = 133,618,118.40 : x
  2. Step 2: Convert to fraction form
    215,438,774.64/323,636,458.92 = 133,618,118.40/x
  3. Step 3: Cross multiply
    215,438,774.64x = 323,636,458.92 × 133,618,118.40
  4. Step 4: Simplify right side
    215,438,774.64x = 43,243,694,686,529,304
  5. Step 5: Solve for x
    x = 43,243,694,686,529,304/215,438,774.64
  6. Step 6: Final answer
    x = 200,723,824.01

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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.