Home / 48,278,879.38-66,649,536.93-37,240,849.54

Finding the Fourth Proportional to 48,278,879.38, 66,649,536.93 and 37,240,849.54

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Solution

The fourth proportional to 48,278,879.38, 66,649,536.93 and 37,240,849.54 is: 51,411,412.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,278,879.38 : 66,649,536.93 = 37,240,849.54 : x
  2. Step 2: Convert to fraction form
    48,278,879.38/66,649,536.93 = 37,240,849.54/x
  3. Step 3: Cross multiply
    48,278,879.38x = 66,649,536.93 × 37,240,849.54
  4. Step 4: Simplify right side
    48,278,879.38x = 2,482,085,376,720,803.50
  5. Step 5: Solve for x
    x = 2,482,085,376,720,803.50/48,278,879.38
  6. Step 6: Final answer
    x = 51,411,412.37

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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.