Home / 165,977,405.70-248,966,108.55-84,348,068.10

Finding the Fourth Proportional to 165,977,405.70, 248,966,108.55 and 84,348,068.10

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Solution

The fourth proportional to 165,977,405.70, 248,966,108.55 and 84,348,068.10 is: 126,522,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,977,405.70 : 248,966,108.55 = 84,348,068.10 : x
  2. Step 2: Convert to fraction form
    165,977,405.70/248,966,108.55 = 84,348,068.10/x
  3. Step 3: Cross multiply
    165,977,405.70x = 248,966,108.55 × 84,348,068.10
  4. Step 4: Simplify right side
    165,977,405.70x = 20,999,810,278,567,392
  5. Step 5: Solve for x
    x = 20,999,810,278,567,392/165,977,405.70
  6. Step 6: Final answer
    x = 126,522,102.15

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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.