Home / 238,335,418.40-328,906,793.91-131,049,242.45

Finding the Fourth Proportional to 238,335,418.40, 328,906,793.91 and 131,049,242.45

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Solution

The fourth proportional to 238,335,418.40, 328,906,793.91 and 131,049,242.45 is: 180,850,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,335,418.40 : 328,906,793.91 = 131,049,242.45 : x
  2. Step 2: Convert to fraction form
    238,335,418.40/328,906,793.91 = 131,049,242.45/x
  3. Step 3: Cross multiply
    238,335,418.40x = 328,906,793.91 × 131,049,242.45
  4. Step 4: Simplify right side
    238,335,418.40x = 43,102,986,179,877,472
  5. Step 5: Solve for x
    x = 43,102,986,179,877,472/238,335,418.40
  6. Step 6: Final answer
    x = 180,850,108.10

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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.