Home / 131,843,235.50-197,745,602.05-38,445,108.89

Finding the Fourth Proportional to 131,843,235.50, 197,745,602.05 and 38,445,108.89

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Solution

The fourth proportional to 131,843,235.50, 197,745,602.05 and 38,445,108.89 is: 57,662,049.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,843,235.50 : 197,745,602.05 = 38,445,108.89 : x
  2. Step 2: Convert to fraction form
    131,843,235.50/197,745,602.05 = 38,445,108.89/x
  3. Step 3: Cross multiply
    131,843,235.50x = 197,745,602.05 × 38,445,108.89
  4. Step 4: Simplify right side
    131,843,235.50x = 7,602,351,203,729,109
  5. Step 5: Solve for x
    x = 7,602,351,203,729,109/131,843,235.50
  6. Step 6: Final answer
    x = 57,662,049.75

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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.