Home / 291,353,727.60-402,056,179.83-159,199,260.84

Finding the Fourth Proportional to 291,353,727.60, 402,056,179.83 and 159,199,260.84

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Solution

The fourth proportional to 291,353,727.60, 402,056,179.83 and 159,199,260.84 is: 219,688,442.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,353,727.60 : 402,056,179.83 = 159,199,260.84 : x
  2. Step 2: Convert to fraction form
    291,353,727.60/402,056,179.83 = 159,199,260.84/x
  3. Step 3: Cross multiply
    291,353,727.60x = 402,056,179.83 × 159,199,260.84
  4. Step 4: Simplify right side
    291,353,727.60x = 64,007,046,645,090,112
  5. Step 5: Solve for x
    x = 64,007,046,645,090,112/291,353,727.60
  6. Step 6: Final answer
    x = 219,688,442.54

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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.