Home / 87,405,938.60-131,108,907.90-29,893,087.40

Finding the Fourth Proportional to 87,405,938.60, 131,108,907.90 and 29,893,087.40

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Solution

The fourth proportional to 87,405,938.60, 131,108,907.90 and 29,893,087.40 is: 44,839,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,405,938.60 : 131,108,907.90 = 29,893,087.40 : x
  2. Step 2: Convert to fraction form
    87,405,938.60/131,108,907.90 = 29,893,087.40/x
  3. Step 3: Cross multiply
    87,405,938.60x = 131,108,907.90 × 29,893,087.40
  4. Step 4: Simplify right side
    87,405,938.60x = 3,919,250,042,773,250.50
  5. Step 5: Solve for x
    x = 3,919,250,042,773,250.50/87,405,938.60
  6. Step 6: Final answer
    x = 44,839,631.10

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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.