Home / 30,553,197.40-42,162,569.44-16,802,161.53

Finding the Fourth Proportional to 30,553,197.40, 42,162,569.44 and 16,802,161.53

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Solution

The fourth proportional to 30,553,197.40, 42,162,569.44 and 16,802,161.53 is: 23,186,519.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,553,197.40 : 42,162,569.44 = 16,802,161.53 : x
  2. Step 2: Convert to fraction form
    30,553,197.40/42,162,569.44 = 16,802,161.53/x
  3. Step 3: Cross multiply
    30,553,197.40x = 42,162,569.44 × 16,802,161.53
  4. Step 4: Simplify right side
    30,553,197.40x = 708,422,302,250,721.62
  5. Step 5: Solve for x
    x = 708,422,302,250,721.62/30,553,197.40
  6. Step 6: Final answer
    x = 23,186,519.33

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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.