Home / 73,022,854.86-100,771,171.20-39,982,503.58

Finding the Fourth Proportional to 73,022,854.86, 100,771,171.20 and 39,982,503.58

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Solution

The fourth proportional to 73,022,854.86, 100,771,171.20 and 39,982,503.58 is: 55,175,653.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,022,854.86 : 100,771,171.20 = 39,982,503.58 : x
  2. Step 2: Convert to fraction form
    73,022,854.86/100,771,171.20 = 39,982,503.58/x
  3. Step 3: Cross multiply
    73,022,854.86x = 100,771,171.20 × 39,982,503.58
  4. Step 4: Simplify right side
    73,022,854.86x = 4,029,083,713,012,865
  5. Step 5: Solve for x
    x = 4,029,083,713,012,865/73,022,854.86
  6. Step 6: Final answer
    x = 55,175,653.17

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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.