Home / 258,701,820.12-357,009,961.85-147,192,658.23

Finding the Fourth Proportional to 258,701,820.12, 357,009,961.85 and 147,192,658.23

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Solution

The fourth proportional to 258,701,820.12, 357,009,961.85 and 147,192,658.23 is: 203,126,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,701,820.12 : 357,009,961.85 = 147,192,658.23 : x
  2. Step 2: Convert to fraction form
    258,701,820.12/357,009,961.85 = 147,192,658.23/x
  3. Step 3: Cross multiply
    258,701,820.12x = 357,009,961.85 × 147,192,658.23
  4. Step 4: Simplify right side
    258,701,820.12x = 52,549,245,298,556,424
  5. Step 5: Solve for x
    x = 52,549,245,298,556,424/258,701,820.12
  6. Step 6: Final answer
    x = 203,126,693.40

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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.