Home / 52,401,772.70-78,528,009.45-38,647,583.90

Finding the Fourth Proportional to 52,401,772.70, 78,528,009.45 and 38,647,583.90

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Solution

The fourth proportional to 52,401,772.70, 78,528,009.45 and 38,647,583.90 is: 57,916,319.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,401,772.70 : 78,528,009.45 = 38,647,583.90 : x
  2. Step 2: Convert to fraction form
    52,401,772.70/78,528,009.45 = 38,647,583.90/x
  3. Step 3: Cross multiply
    52,401,772.70x = 78,528,009.45 × 38,647,583.90
  4. Step 4: Simplify right side
    52,401,772.70x = 3,034,917,833,718,868
  5. Step 5: Solve for x
    x = 3,034,917,833,718,868/52,401,772.70
  6. Step 6: Final answer
    x = 57,916,319.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.