Home / 140,248,103.92-210,372,157.70-38,012,141.54

Finding the Fourth Proportional to 140,248,103.92, 210,372,157.70 and 38,012,141.54

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Solution

The fourth proportional to 140,248,103.92, 210,372,157.70 and 38,012,141.54 is: 57,018,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,248,103.92 : 210,372,157.70 = 38,012,141.54 : x
  2. Step 2: Convert to fraction form
    140,248,103.92/210,372,157.70 = 38,012,141.54/x
  3. Step 3: Cross multiply
    140,248,103.92x = 210,372,157.70 × 38,012,141.54
  4. Step 4: Simplify right side
    140,248,103.92x = 7,996,696,234,567,600
  5. Step 5: Solve for x
    x = 7,996,696,234,567,600/140,248,103.92
  6. Step 6: Final answer
    x = 57,018,212.80

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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.