Home / 121,405,938.20-182,108,907.30-108,651,354.20

Finding the Fourth Proportional to 121,405,938.20, 182,108,907.30 and 108,651,354.20

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Solution

The fourth proportional to 121,405,938.20, 182,108,907.30 and 108,651,354.20 is: 162,977,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,405,938.20 : 182,108,907.30 = 108,651,354.20 : x
  2. Step 2: Convert to fraction form
    121,405,938.20/182,108,907.30 = 108,651,354.20/x
  3. Step 3: Cross multiply
    121,405,938.20x = 182,108,907.30 × 108,651,354.20
  4. Step 4: Simplify right side
    121,405,938.20x = 19,786,379,390,027,268
  5. Step 5: Solve for x
    x = 19,786,379,390,027,268/121,405,938.20
  6. Step 6: Final answer
    x = 162,977,031.30

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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.