Home / 141,952,832.22-195,895,179.51-78,373,294.36

Finding the Fourth Proportional to 141,952,832.22, 195,895,179.51 and 78,373,294.36

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Solution

The fourth proportional to 141,952,832.22, 195,895,179.51 and 78,373,294.36 is: 108,155,295.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,952,832.22 : 195,895,179.51 = 78,373,294.36 : x
  2. Step 2: Convert to fraction form
    141,952,832.22/195,895,179.51 = 78,373,294.36/x
  3. Step 3: Cross multiply
    141,952,832.22x = 195,895,179.51 × 78,373,294.36
  4. Step 4: Simplify right side
    141,952,832.22x = 15,352,950,566,658,632
  5. Step 5: Solve for x
    x = 15,352,950,566,658,632/141,952,832.22
  6. Step 6: Final answer
    x = 108,155,295.86

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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.