Home / 102,580,149.32-153,898,990.32-41,212,401.20

Finding the Fourth Proportional to 102,580,149.32, 153,898,990.32 and 41,212,401.20

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Solution

The fourth proportional to 102,580,149.32, 153,898,990.32 and 41,212,401.20 is: 61,830,158.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,580,149.32 : 153,898,990.32 = 41,212,401.20 : x
  2. Step 2: Convert to fraction form
    102,580,149.32/153,898,990.32 = 41,212,401.20/x
  3. Step 3: Cross multiply
    102,580,149.32x = 153,898,990.32 × 41,212,401.20
  4. Step 4: Simplify right side
    102,580,149.32x = 6,342,546,933,342,757
  5. Step 5: Solve for x
    x = 6,342,546,933,342,757/102,580,149.32
  6. Step 6: Final answer
    x = 61,830,158.91

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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.