Home / 172,078,510.80-258,117,766.20-153,266,811.60

Finding the Fourth Proportional to 172,078,510.80, 258,117,766.20 and 153,266,811.60

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Solution

The fourth proportional to 172,078,510.80, 258,117,766.20 and 153,266,811.60 is: 229,900,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,078,510.80 : 258,117,766.20 = 153,266,811.60 : x
  2. Step 2: Convert to fraction form
    172,078,510.80/258,117,766.20 = 153,266,811.60/x
  3. Step 3: Cross multiply
    172,078,510.80x = 258,117,766.20 × 153,266,811.60
  4. Step 4: Simplify right side
    172,078,510.80x = 39,560,887,042,788,248
  5. Step 5: Solve for x
    x = 39,560,887,042,788,248/172,078,510.80
  6. Step 6: Final answer
    x = 229,900,217.40

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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.