Home / 51,288,513.88-70,778,265.78-27,767,298.12

Finding the Fourth Proportional to 51,288,513.88, 70,778,265.78 and 27,767,298.12

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Solution

The fourth proportional to 51,288,513.88, 70,778,265.78 and 27,767,298.12 is: 38,318,934.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,288,513.88 : 70,778,265.78 = 27,767,298.12 : x
  2. Step 2: Convert to fraction form
    51,288,513.88/70,778,265.78 = 27,767,298.12/x
  3. Step 3: Cross multiply
    51,288,513.88x = 70,778,265.78 × 27,767,298.12
  4. Step 4: Simplify right side
    51,288,513.88x = 1,965,321,206,531,490
  5. Step 5: Solve for x
    x = 1,965,321,206,531,490/51,288,513.88
  6. Step 6: Final answer
    x = 38,318,934.55

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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.