Home / 120,260,104.43-180,390,757.21-42,537,080.06

Finding the Fourth Proportional to 120,260,104.43, 180,390,757.21 and 42,537,080.06

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Solution

The fourth proportional to 120,260,104.43, 180,390,757.21 and 42,537,080.06 is: 63,805,832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,260,104.43 : 180,390,757.21 = 42,537,080.06 : x
  2. Step 2: Convert to fraction form
    120,260,104.43/180,390,757.21 = 42,537,080.06/x
  3. Step 3: Cross multiply
    120,260,104.43x = 180,390,757.21 × 42,537,080.06
  4. Step 4: Simplify right side
    120,260,104.43x = 7,673,296,081,193,962
  5. Step 5: Solve for x
    x = 7,673,296,081,193,962/120,260,104.43
  6. Step 6: Final answer
    x = 63,805,832.52

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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.