Home / 229,128,408.68-316,187,856.96-130,007,022.72

Finding the Fourth Proportional to 229,128,408.68, 316,187,856.96 and 130,007,022.72

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Solution

The fourth proportional to 229,128,408.68, 316,187,856.96 and 130,007,022.72 is: 179,404,387.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,128,408.68 : 316,187,856.96 = 130,007,022.72 : x
  2. Step 2: Convert to fraction form
    229,128,408.68/316,187,856.96 = 130,007,022.72/x
  3. Step 3: Cross multiply
    229,128,408.68x = 316,187,856.96 × 130,007,022.72
  4. Step 4: Simplify right side
    229,128,408.68x = 41,106,641,903,586,824
  5. Step 5: Solve for x
    x = 41,106,641,903,586,824/229,128,408.68
  6. Step 6: Final answer
    x = 179,404,387.87

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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.