Home / 187,971,029.31-281,956,156.32-106,052,720.70

Finding the Fourth Proportional to 187,971,029.31, 281,956,156.32 and 106,052,720.70

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Solution

The fourth proportional to 187,971,029.31, 281,956,156.32 and 106,052,720.70 is: 159,078,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,971,029.31 : 281,956,156.32 = 106,052,720.70 : x
  2. Step 2: Convert to fraction form
    187,971,029.31/281,956,156.32 = 106,052,720.70/x
  3. Step 3: Cross multiply
    187,971,029.31x = 281,956,156.32 × 106,052,720.70
  4. Step 4: Simplify right side
    187,971,029.31x = 29,902,217,495,850,500
  5. Step 5: Solve for x
    x = 29,902,217,495,850,500/187,971,029.31
  6. Step 6: Final answer
    x = 159,078,862.34

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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.