Home / 52,190,894.23-72,019,219.92-30,165,820.44

Finding the Fourth Proportional to 52,190,894.23, 72,019,219.92 and 30,165,820.44

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Solution

The fourth proportional to 52,190,894.23, 72,019,219.92 and 30,165,820.44 is: 41,626,396.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,190,894.23 : 72,019,219.92 = 30,165,820.44 : x
  2. Step 2: Convert to fraction form
    52,190,894.23/72,019,219.92 = 30,165,820.44/x
  3. Step 3: Cross multiply
    52,190,894.23x = 72,019,219.92 × 30,165,820.44
  4. Step 4: Simplify right side
    52,190,894.23x = 2,172,518,856,122,080
  5. Step 5: Solve for x
    x = 2,172,518,856,122,080/52,190,894.23
  6. Step 6: Final answer
    x = 41,626,396.49

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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.