Home / 162,511,551.23-243,623,836.21-124,343,458.61

Finding the Fourth Proportional to 162,511,551.23, 243,623,836.21 and 124,343,458.61

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Solution

The fourth proportional to 162,511,551.23, 243,623,836.21 and 124,343,458.61 is: 186,405,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,511,551.23 : 243,623,836.21 = 124,343,458.61 : x
  2. Step 2: Convert to fraction form
    162,511,551.23/243,623,836.21 = 124,343,458.61/x
  3. Step 3: Cross multiply
    162,511,551.23x = 243,623,836.21 × 124,343,458.61
  4. Step 4: Simplify right side
    162,511,551.23x = 30,293,030,394,187,556
  5. Step 5: Solve for x
    x = 30,293,030,394,187,556/162,511,551.23
  6. Step 6: Final answer
    x = 186,405,398.05

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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.