Home / 98,384,145.20-135,768,703.20-54,333,008

Finding the Fourth Proportional to 98,384,145.20, 135,768,703.20 and 54,333,008

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Solution

The fourth proportional to 98,384,145.20, 135,768,703.20 and 54,333,008 is: 74,978,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,384,145.20 : 135,768,703.20 = 54,333,008 : x
  2. Step 2: Convert to fraction form
    98,384,145.20/135,768,703.20 = 54,333,008/x
  3. Step 3: Cross multiply
    98,384,145.20x = 135,768,703.20 × 54,333,008
  4. Step 4: Simplify right side
    98,384,145.20x = 7,376,722,037,115,225
  5. Step 5: Solve for x
    x = 7,376,722,037,115,225/98,384,145.20
  6. Step 6: Final answer
    x = 74,978,768.40

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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.