Home / 163,902,254.20-245,853,381.30-82,272,916.60

Finding the Fourth Proportional to 163,902,254.20, 245,853,381.30 and 82,272,916.60

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Solution

The fourth proportional to 163,902,254.20, 245,853,381.30 and 82,272,916.60 is: 123,409,374.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,902,254.20 : 245,853,381.30 = 82,272,916.60 : x
  2. Step 2: Convert to fraction form
    163,902,254.20/245,853,381.30 = 82,272,916.60/x
  3. Step 3: Cross multiply
    163,902,254.20x = 245,853,381.30 × 82,272,916.60
  4. Step 4: Simplify right side
    163,902,254.20x = 20,227,074,735,522,900
  5. Step 5: Solve for x
    x = 20,227,074,735,522,900/163,902,254.20
  6. Step 6: Final answer
    x = 123,409,374.90

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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.