Home / 258,701,820.62-357,009,962.54-147,192,658.73

Finding the Fourth Proportional to 258,701,820.62, 357,009,962.54 and 147,192,658.73

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Solution

The fourth proportional to 258,701,820.62, 357,009,962.54 and 147,192,658.73 is: 203,126,694.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,701,820.62 : 357,009,962.54 = 147,192,658.73 : x
  2. Step 2: Convert to fraction form
    258,701,820.62/357,009,962.54 = 147,192,658.73/x
  3. Step 3: Cross multiply
    258,701,820.62x = 357,009,962.54 × 147,192,658.73
  4. Step 4: Simplify right side
    258,701,820.62x = 52,549,245,578,624,344
  5. Step 5: Solve for x
    x = 52,549,245,578,624,344/258,701,820.62
  6. Step 6: Final answer
    x = 203,126,694.09

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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.