Home / 98,373,137.99-135,766,899.56-57,120,029.15

Finding the Fourth Proportional to 98,373,137.99, 135,766,899.56 and 57,120,029.15

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Solution

The fourth proportional to 98,373,137.99, 135,766,899.56 and 57,120,029.15 is: 78,832,590.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,373,137.99 : 135,766,899.56 = 57,120,029.15 : x
  2. Step 2: Convert to fraction form
    98,373,137.99/135,766,899.56 = 57,120,029.15/x
  3. Step 3: Cross multiply
    98,373,137.99x = 135,766,899.56 × 57,120,029.15
  4. Step 4: Simplify right side
    98,373,137.99x = 7,755,009,259,936,288
  5. Step 5: Solve for x
    x = 7,755,009,259,936,288/98,373,137.99
  6. Step 6: Final answer
    x = 78,832,590.06

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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.