Home / 187,487,442.97-281,230,361.23-47,429,225.98

Finding the Fourth Proportional to 187,487,442.97, 281,230,361.23 and 47,429,225.98

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Solution

The fourth proportional to 187,487,442.97, 281,230,361.23 and 47,429,225.98 is: 71,143,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,487,442.97 : 281,230,361.23 = 47,429,225.98 : x
  2. Step 2: Convert to fraction form
    187,487,442.97/281,230,361.23 = 47,429,225.98/x
  3. Step 3: Cross multiply
    187,487,442.97x = 281,230,361.23 × 47,429,225.98
  4. Step 4: Simplify right side
    187,487,442.97x = 13,338,538,355,214,700
  5. Step 5: Solve for x
    x = 13,338,538,355,214,700/187,487,442.97
  6. Step 6: Final answer
    x = 71,143,635.78

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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.