Home / 187,971,030.78-281,956,158.60-106,052,722.20

Finding the Fourth Proportional to 187,971,030.78, 281,956,158.60 and 106,052,722.20

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Solution

The fourth proportional to 187,971,030.78, 281,956,158.60 and 106,052,722.20 is: 159,078,864.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,971,030.78 : 281,956,158.60 = 106,052,722.20 : x
  2. Step 2: Convert to fraction form
    187,971,030.78/281,956,158.60 = 106,052,722.20/x
  3. Step 3: Cross multiply
    187,971,030.78x = 281,956,158.60 × 106,052,722.20
  4. Step 4: Simplify right side
    187,971,030.78x = 29,902,218,160,584,944
  5. Step 5: Solve for x
    x = 29,902,218,160,584,944/187,971,030.78
  6. Step 6: Final answer
    x = 159,078,864.63

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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.