Home / 172,567,235.20-258,850,852.80-156,946,806.40

Finding the Fourth Proportional to 172,567,235.20, 258,850,852.80 and 156,946,806.40

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Solution

The fourth proportional to 172,567,235.20, 258,850,852.80 and 156,946,806.40 is: 235,420,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,567,235.20 : 258,850,852.80 = 156,946,806.40 : x
  2. Step 2: Convert to fraction form
    172,567,235.20/258,850,852.80 = 156,946,806.40/x
  3. Step 3: Cross multiply
    172,567,235.20x = 258,850,852.80 × 156,946,806.40
  4. Step 4: Simplify right side
    172,567,235.20x = 40,625,814,680,876,504
  5. Step 5: Solve for x
    x = 40,625,814,680,876,504/172,567,235.20
  6. Step 6: Final answer
    x = 235,420,209.60

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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.