Home / 205,080,129.60-307,620,194.40-97,584,705.60

Finding the Fourth Proportional to 205,080,129.60, 307,620,194.40 and 97,584,705.60

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Solution

The fourth proportional to 205,080,129.60, 307,620,194.40 and 97,584,705.60 is: 146,377,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,080,129.60 : 307,620,194.40 = 97,584,705.60 : x
  2. Step 2: Convert to fraction form
    205,080,129.60/307,620,194.40 = 97,584,705.60/x
  3. Step 3: Cross multiply
    205,080,129.60x = 307,620,194.40 × 97,584,705.60
  4. Step 4: Simplify right side
    205,080,129.60x = 30,019,026,107,138,764
  5. Step 5: Solve for x
    x = 30,019,026,107,138,764/205,080,129.60
  6. Step 6: Final answer
    x = 146,377,058.40

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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.