Home / 258,701,820.30-357,009,962.10-147,192,658.41

Finding the Fourth Proportional to 258,701,820.30, 357,009,962.10 and 147,192,658.41

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Solution

The fourth proportional to 258,701,820.30, 357,009,962.10 and 147,192,658.41 is: 203,126,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,701,820.30 : 357,009,962.10 = 147,192,658.41 : x
  2. Step 2: Convert to fraction form
    258,701,820.30/357,009,962.10 = 147,192,658.41/x
  3. Step 3: Cross multiply
    258,701,820.30x = 357,009,962.10 × 147,192,658.41
  4. Step 4: Simplify right side
    258,701,820.30x = 52,549,245,401,139,160
  5. Step 5: Solve for x
    x = 52,549,245,401,139,160/258,701,820.30
  6. Step 6: Final answer
    x = 203,126,693.66

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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.