Home / 165,880,600.72-228,920,727.20-90,531,054.60

Finding the Fourth Proportional to 165,880,600.72, 228,920,727.20 and 90,531,054.60

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Solution

The fourth proportional to 165,880,600.72, 228,920,727.20 and 90,531,054.60 is: 124,935,856.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,880,600.72 : 228,920,727.20 = 90,531,054.60 : x
  2. Step 2: Convert to fraction form
    165,880,600.72/228,920,727.20 = 90,531,054.60/x
  3. Step 3: Cross multiply
    165,880,600.72x = 228,920,727.20 × 90,531,054.60
  4. Step 4: Simplify right side
    165,880,600.72x = 20,724,434,853,214,904
  5. Step 5: Solve for x
    x = 20,724,434,853,214,904/165,880,600.72
  6. Step 6: Final answer
    x = 124,935,856.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.