Home / 162,511,549.23-243,623,833.21-124,343,456.61

Finding the Fourth Proportional to 162,511,549.23, 243,623,833.21 and 124,343,456.61

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Solution

The fourth proportional to 162,511,549.23, 243,623,833.21 and 124,343,456.61 is: 186,405,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,511,549.23 : 243,623,833.21 = 124,343,456.61 : x
  2. Step 2: Convert to fraction form
    162,511,549.23/243,623,833.21 = 124,343,456.61/x
  3. Step 3: Cross multiply
    162,511,549.23x = 243,623,833.21 × 124,343,456.61
  4. Step 4: Simplify right side
    162,511,549.23x = 30,293,029,532,923,588
  5. Step 5: Solve for x
    x = 30,293,029,532,923,588/162,511,549.23
  6. Step 6: Final answer
    x = 186,405,395.05

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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.