Home / 51,297,643.31-70,790,974.04-28,092,931.79

Finding the Fourth Proportional to 51,297,643.31, 70,790,974.04 and 28,092,931.79

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Solution

The fourth proportional to 51,297,643.31, 70,790,974.04 and 28,092,931.79 is: 38,768,369.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,297,643.31 : 70,790,974.04 = 28,092,931.79 : x
  2. Step 2: Convert to fraction form
    51,297,643.31/70,790,974.04 = 28,092,931.79/x
  3. Step 3: Cross multiply
    51,297,643.31x = 70,790,974.04 × 28,092,931.79
  4. Step 4: Simplify right side
    51,297,643.31x = 1,988,726,004,769,658.25
  5. Step 5: Solve for x
    x = 1,988,726,004,769,658.25/51,297,643.31
  6. Step 6: Final answer
    x = 38,768,369.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.