Home / 74,618,392.82-102,972,002.42-40,671,244.73

Finding the Fourth Proportional to 74,618,392.82, 102,972,002.42 and 40,671,244.73

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Solution

The fourth proportional to 74,618,392.82, 102,972,002.42 and 40,671,244.73 is: 56,125,565.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,618,392.82 : 102,972,002.42 = 40,671,244.73 : x
  2. Step 2: Convert to fraction form
    74,618,392.82/102,972,002.42 = 40,671,244.73/x
  3. Step 3: Cross multiply
    74,618,392.82x = 102,972,002.42 × 40,671,244.73
  4. Step 4: Simplify right side
    74,618,392.82x = 4,187,999,510,043,756.50
  5. Step 5: Solve for x
    x = 4,187,999,510,043,756.50/74,618,392.82
  6. Step 6: Final answer
    x = 56,125,565.72

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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.