Home / 165,903,809.60-248,855,714.40-131,639,643.20

Finding the Fourth Proportional to 165,903,809.60, 248,855,714.40 and 131,639,643.20

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Solution

The fourth proportional to 165,903,809.60, 248,855,714.40 and 131,639,643.20 is: 197,459,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,903,809.60 : 248,855,714.40 = 131,639,643.20 : x
  2. Step 2: Convert to fraction form
    165,903,809.60/248,855,714.40 = 131,639,643.20/x
  3. Step 3: Cross multiply
    165,903,809.60x = 248,855,714.40 × 131,639,643.20
  4. Step 4: Simplify right side
    165,903,809.60x = 32,759,277,451,897,104
  5. Step 5: Solve for x
    x = 32,759,277,451,897,104/165,903,809.60
  6. Step 6: Final answer
    x = 197,459,464.80

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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.