Home / 187,971,028.61-281,956,155.21-106,052,719.86

Finding the Fourth Proportional to 187,971,028.61, 281,956,155.21 and 106,052,719.86

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Solution

The fourth proportional to 187,971,028.61, 281,956,155.21 and 106,052,719.86 is: 159,078,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,971,028.61 : 281,956,155.21 = 106,052,719.86 : x
  2. Step 2: Convert to fraction form
    187,971,028.61/281,956,155.21 = 106,052,719.86/x
  3. Step 3: Cross multiply
    187,971,028.61x = 281,956,155.21 × 106,052,719.86
  4. Step 4: Simplify right side
    187,971,028.61x = 29,902,217,141,288,808
  5. Step 5: Solve for x
    x = 29,902,217,141,288,808/187,971,028.61
  6. Step 6: Final answer
    x = 159,078,861.05

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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.