Home / 69,013,959.30-103,433,021.55-36,681,351.30

Finding the Fourth Proportional to 69,013,959.30, 103,433,021.55 and 36,681,351.30

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Solution

The fourth proportional to 69,013,959.30, 103,433,021.55 and 36,681,351.30 is: 54,975,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,013,959.30 : 103,433,021.55 = 36,681,351.30 : x
  2. Step 2: Convert to fraction form
    69,013,959.30/103,433,021.55 = 36,681,351.30/x
  3. Step 3: Cross multiply
    69,013,959.30x = 103,433,021.55 × 36,681,351.30
  4. Step 4: Simplify right side
    69,013,959.30x = 3,794,062,999,496,020
  5. Step 5: Solve for x
    x = 3,794,062,999,496,020/69,013,959.30
  6. Step 6: Final answer
    x = 54,975,298.30

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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.