Home / 78,224,565.44-117,247,589.93-31,508,150.63

Finding the Fourth Proportional to 78,224,565.44, 117,247,589.93 and 31,508,150.63

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Solution

The fourth proportional to 78,224,565.44, 117,247,589.93 and 31,508,150.63 is: 47,226,273.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,224,565.44 : 117,247,589.93 = 31,508,150.63 : x
  2. Step 2: Convert to fraction form
    78,224,565.44/117,247,589.93 = 31,508,150.63/x
  3. Step 3: Cross multiply
    78,224,565.44x = 117,247,589.93 × 31,508,150.63
  4. Step 4: Simplify right side
    78,224,565.44x = 3,694,254,724,493,570.50
  5. Step 5: Solve for x
    x = 3,694,254,724,493,570.50/78,224,565.44
  6. Step 6: Final answer
    x = 47,226,273.53

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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.