Home / 98,082,658.62-135,364,699.89-54,034,171.32

Finding the Fourth Proportional to 98,082,658.62, 135,364,699.89 and 54,034,171.32

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Solution

The fourth proportional to 98,082,658.62, 135,364,699.89 and 54,034,171.32 is: 74,573,013.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,082,658.62 : 135,364,699.89 = 54,034,171.32 : x
  2. Step 2: Convert to fraction form
    98,082,658.62/135,364,699.89 = 54,034,171.32/x
  3. Step 3: Cross multiply
    98,082,658.62x = 135,364,699.89 × 54,034,171.32
  4. Step 4: Simplify right side
    98,082,658.62x = 7,314,319,384,536,644
  5. Step 5: Solve for x
    x = 7,314,319,384,536,644/98,082,658.62
  6. Step 6: Final answer
    x = 74,573,013.08

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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.