Home / 172,567,228.20-258,850,842.30-156,946,799.40

Finding the Fourth Proportional to 172,567,228.20, 258,850,842.30 and 156,946,799.40

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Solution

The fourth proportional to 172,567,228.20, 258,850,842.30 and 156,946,799.40 is: 235,420,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,567,228.20 : 258,850,842.30 = 156,946,799.40 : x
  2. Step 2: Convert to fraction form
    172,567,228.20/258,850,842.30 = 156,946,799.40/x
  3. Step 3: Cross multiply
    172,567,228.20x = 258,850,842.30 × 156,946,799.40
  4. Step 4: Simplify right side
    172,567,228.20x = 40,625,811,220,979,136
  5. Step 5: Solve for x
    x = 40,625,811,220,979,136/172,567,228.20
  6. Step 6: Final answer
    x = 235,420,199.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.