Home / 141,952,840.43-195,895,190.87-78,373,302.54

Finding the Fourth Proportional to 141,952,840.43, 195,895,190.87 and 78,373,302.54

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Solution

The fourth proportional to 141,952,840.43, 195,895,190.87 and 78,373,302.54 is: 108,155,307.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,952,840.43 : 195,895,190.87 = 78,373,302.54 : x
  2. Step 2: Convert to fraction form
    141,952,840.43/195,895,190.87 = 78,373,302.54/x
  3. Step 3: Cross multiply
    141,952,840.43x = 195,895,190.87 × 78,373,302.54
  4. Step 4: Simplify right side
    141,952,840.43x = 15,352,953,059,793,692
  5. Step 5: Solve for x
    x = 15,352,953,059,793,692/141,952,840.43
  6. Step 6: Final answer
    x = 108,155,307.17

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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.