Home / 201,046,780.32-301,397,451.82-69,872,012.94

Finding the Fourth Proportional to 201,046,780.32, 301,397,451.82 and 69,872,012.94

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Solution

The fourth proportional to 201,046,780.32, 301,397,451.82 and 69,872,012.94 is: 104,747,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,046,780.32 : 301,397,451.82 = 69,872,012.94 : x
  2. Step 2: Convert to fraction form
    201,046,780.32/301,397,451.82 = 69,872,012.94/x
  3. Step 3: Cross multiply
    201,046,780.32x = 301,397,451.82 × 69,872,012.94
  4. Step 4: Simplify right side
    201,046,780.32x = 21,059,246,653,650,064
  5. Step 5: Solve for x
    x = 21,059,246,653,650,064/201,046,780.32
  6. Step 6: Final answer
    x = 104,747,992.58

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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.