Home / 81,879,243.01-112,993,902.51-44,709,782.78

Finding the Fourth Proportional to 81,879,243.01, 112,993,902.51 and 44,709,782.78

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Solution

The fourth proportional to 81,879,243.01, 112,993,902.51 and 44,709,782.78 is: 61,699,799.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,879,243.01 : 112,993,902.51 = 44,709,782.78 : x
  2. Step 2: Convert to fraction form
    81,879,243.01/112,993,902.51 = 44,709,782.78/x
  3. Step 3: Cross multiply
    81,879,243.01x = 112,993,902.51 × 44,709,782.78
  4. Step 4: Simplify right side
    81,879,243.01x = 5,051,932,836,480,252
  5. Step 5: Solve for x
    x = 5,051,932,836,480,252/81,879,243.01
  6. Step 6: Final answer
    x = 61,699,799.00

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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.