Home / 187,470,672.60-281,206,008.90-66,302,124.60

Finding the Fourth Proportional to 187,470,672.60, 281,206,008.90 and 66,302,124.60

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Solution

The fourth proportional to 187,470,672.60, 281,206,008.90 and 66,302,124.60 is: 99,453,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,470,672.60 : 281,206,008.90 = 66,302,124.60 : x
  2. Step 2: Convert to fraction form
    187,470,672.60/281,206,008.90 = 66,302,124.60/x
  3. Step 3: Cross multiply
    187,470,672.60x = 281,206,008.90 × 66,302,124.60
  4. Step 4: Simplify right side
    187,470,672.60x = 18,644,555,840,356,508
  5. Step 5: Solve for x
    x = 18,644,555,840,356,508/187,470,672.60
  6. Step 6: Final answer
    x = 99,453,186.90

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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.