Home / 117,157,076.09-161,676,761.51-64,945,979.45

Finding the Fourth Proportional to 117,157,076.09, 161,676,761.51 and 64,945,979.45

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Solution

The fourth proportional to 117,157,076.09, 161,676,761.51 and 64,945,979.45 is: 89,625,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,157,076.09 : 161,676,761.51 = 64,945,979.45 : x
  2. Step 2: Convert to fraction form
    117,157,076.09/161,676,761.51 = 64,945,979.45/x
  3. Step 3: Cross multiply
    117,157,076.09x = 161,676,761.51 × 64,945,979.45
  4. Step 4: Simplify right side
    117,157,076.09x = 10,500,255,630,246,282
  5. Step 5: Solve for x
    x = 10,500,255,630,246,282/117,157,076.09
  6. Step 6: Final answer
    x = 89,625,449.70

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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.