Home / 291,575,820.50-402,383,030.38-161,204,026.58

Finding the Fourth Proportional to 291,575,820.50, 402,383,030.38 and 161,204,026.58

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Solution

The fourth proportional to 291,575,820.50, 402,383,030.38 and 161,204,026.58 is: 222,466,199.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,575,820.50 : 402,383,030.38 = 161,204,026.58 : x
  2. Step 2: Convert to fraction form
    291,575,820.50/402,383,030.38 = 161,204,026.58/x
  3. Step 3: Cross multiply
    291,575,820.50x = 402,383,030.38 × 161,204,026.58
  4. Step 4: Simplify right side
    291,575,820.50x = 64,865,764,724,718,472
  5. Step 5: Solve for x
    x = 64,865,764,724,718,472/291,575,820.50
  6. Step 6: Final answer
    x = 222,466,199.75

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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.