Home / 271,984,390.96-375,399,040.14-172,845,807.42

Finding the Fourth Proportional to 271,984,390.96, 375,399,040.14 and 172,845,807.42

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Solution

The fourth proportional to 271,984,390.96, 375,399,040.14 and 172,845,807.42 is: 238,565,713.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,984,390.96 : 375,399,040.14 = 172,845,807.42 : x
  2. Step 2: Convert to fraction form
    271,984,390.96/375,399,040.14 = 172,845,807.42/x
  3. Step 3: Cross multiply
    271,984,390.96x = 375,399,040.14 × 172,845,807.42
  4. Step 4: Simplify right side
    271,984,390.96x = 64,886,150,197,691,280
  5. Step 5: Solve for x
    x = 64,886,150,197,691,280/271,984,390.96
  6. Step 6: Final answer
    x = 238,565,713.16

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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.