Home / 202,464,872.40-279,400,132.48-109,643,256.12

Finding the Fourth Proportional to 202,464,872.40, 279,400,132.48 and 109,643,256.12

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Solution

The fourth proportional to 202,464,872.40, 279,400,132.48 and 109,643,256.12 is: 151,306,939.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,464,872.40 : 279,400,132.48 = 109,643,256.12 : x
  2. Step 2: Convert to fraction form
    202,464,872.40/279,400,132.48 = 109,643,256.12/x
  3. Step 3: Cross multiply
    202,464,872.40x = 279,400,132.48 × 109,643,256.12
  4. Step 4: Simplify right side
    202,464,872.40x = 30,634,340,285,466,576
  5. Step 5: Solve for x
    x = 30,634,340,285,466,576/202,464,872.40
  6. Step 6: Final answer
    x = 151,306,939.93

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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.