Home / 56,787,180.23-78,430,951.34-38,169,998.54

Finding the Fourth Proportional to 56,787,180.23, 78,430,951.34 and 38,169,998.54

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Solution

The fourth proportional to 56,787,180.23, 78,430,951.34 and 38,169,998.54 is: 52,718,048.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,787,180.23 : 78,430,951.34 = 38,169,998.54 : x
  2. Step 2: Convert to fraction form
    56,787,180.23/78,430,951.34 = 38,169,998.54/x
  3. Step 3: Cross multiply
    56,787,180.23x = 78,430,951.34 × 38,169,998.54
  4. Step 4: Simplify right side
    56,787,180.23x = 2,993,709,297,555,606
  5. Step 5: Solve for x
    x = 2,993,709,297,555,606/56,787,180.23
  6. Step 6: Final answer
    x = 52,718,048.08

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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.