Home / 75,531,949.66-112,867,942.33-56,713,578.22

Finding the Fourth Proportional to 75,531,949.66, 112,867,942.33 and 56,713,578.22

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Solution

The fourth proportional to 75,531,949.66, 112,867,942.33 and 56,713,578.22 is: 84,747,512.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,531,949.66 : 112,867,942.33 = 56,713,578.22 : x
  2. Step 2: Convert to fraction form
    75,531,949.66/112,867,942.33 = 56,713,578.22/x
  3. Step 3: Cross multiply
    75,531,949.66x = 112,867,942.33 × 56,713,578.22
  4. Step 4: Simplify right side
    75,531,949.66x = 6,401,144,875,862,904
  5. Step 5: Solve for x
    x = 6,401,144,875,862,904/75,531,949.66
  6. Step 6: Final answer
    x = 84,747,512.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.