Home / 372,124,938.28-558,202,797.66-109,809,491.72

Finding the Fourth Proportional to 372,124,938.28, 558,202,797.66 and 109,809,491.72

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Solution

The fourth proportional to 372,124,938.28, 558,202,797.66 and 109,809,491.72 is: 164,718,779.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,124,938.28 : 558,202,797.66 = 109,809,491.72 : x
  2. Step 2: Convert to fraction form
    372,124,938.28/558,202,797.66 = 109,809,491.72/x
  3. Step 3: Cross multiply
    372,124,938.28x = 558,202,797.66 × 109,809,491.72
  4. Step 4: Simplify right side
    372,124,938.28x = 61,295,965,487,726,600
  5. Step 5: Solve for x
    x = 61,295,965,487,726,600/372,124,938.28
  6. Step 6: Final answer
    x = 164,718,779.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.