Home / 119,278,645.20-178,917,967.80-67,410,003.60

Finding the Fourth Proportional to 119,278,645.20, 178,917,967.80 and 67,410,003.60

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Solution

The fourth proportional to 119,278,645.20, 178,917,967.80 and 67,410,003.60 is: 101,115,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,278,645.20 : 178,917,967.80 = 67,410,003.60 : x
  2. Step 2: Convert to fraction form
    119,278,645.20/178,917,967.80 = 67,410,003.60/x
  3. Step 3: Cross multiply
    119,278,645.20x = 178,917,967.80 × 67,410,003.60
  4. Step 4: Simplify right side
    119,278,645.20x = 12,060,860,853,502,684
  5. Step 5: Solve for x
    x = 12,060,860,853,502,684/119,278,645.20
  6. Step 6: Final answer
    x = 101,115,005.40

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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.