Home / 172,039,375.40-258,059,063.10-154,521,602.60

Finding the Fourth Proportional to 172,039,375.40, 258,059,063.10 and 154,521,602.60

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Solution

The fourth proportional to 172,039,375.40, 258,059,063.10 and 154,521,602.60 is: 231,782,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,039,375.40 : 258,059,063.10 = 154,521,602.60 : x
  2. Step 2: Convert to fraction form
    172,039,375.40/258,059,063.10 = 154,521,602.60/x
  3. Step 3: Cross multiply
    172,039,375.40x = 258,059,063.10 × 154,521,602.60
  4. Step 4: Simplify right side
    172,039,375.40x = 39,875,699,995,666,520
  5. Step 5: Solve for x
    x = 39,875,699,995,666,520/172,039,375.40
  6. Step 6: Final answer
    x = 231,782,403.90

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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.