Home / 216,141,179.64-298,269,299.07-120,772,451.94

Finding the Fourth Proportional to 216,141,179.64, 298,269,299.07 and 120,772,451.94

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Solution

The fourth proportional to 216,141,179.64, 298,269,299.07 and 120,772,451.94 is: 166,662,894.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,141,179.64 : 298,269,299.07 = 120,772,451.94 : x
  2. Step 2: Convert to fraction form
    216,141,179.64/298,269,299.07 = 120,772,451.94/x
  3. Step 3: Cross multiply
    216,141,179.64x = 298,269,299.07 × 120,772,451.94
  4. Step 4: Simplify right side
    216,141,179.64x = 36,022,714,587,109,060
  5. Step 5: Solve for x
    x = 36,022,714,587,109,060/216,141,179.64
  6. Step 6: Final answer
    x = 166,662,894.35

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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.