Home / 90,010,181.80-124,214,647.13-48,757,073.77

Finding the Fourth Proportional to 90,010,181.80, 124,214,647.13 and 48,757,073.77

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Solution

The fourth proportional to 90,010,181.80, 124,214,647.13 and 48,757,073.77 is: 67,285,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,010,181.80 : 124,214,647.13 = 48,757,073.77 : x
  2. Step 2: Convert to fraction form
    90,010,181.80/124,214,647.13 = 48,757,073.77/x
  3. Step 3: Cross multiply
    90,010,181.80x = 124,214,647.13 × 48,757,073.77
  4. Step 4: Simplify right side
    90,010,181.80x = 6,056,342,713,431,929
  5. Step 5: Solve for x
    x = 6,056,342,713,431,929/90,010,181.80
  6. Step 6: Final answer
    x = 67,285,084.78

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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.