Home / 87,366,938.90-131,050,408.35-53,354,714.90

Finding the Fourth Proportional to 87,366,938.90, 131,050,408.35 and 53,354,714.90

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Solution

The fourth proportional to 87,366,938.90, 131,050,408.35 and 53,354,714.90 is: 80,032,072.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,366,938.90 : 131,050,408.35 = 53,354,714.90 : x
  2. Step 2: Convert to fraction form
    87,366,938.90/131,050,408.35 = 53,354,714.90/x
  3. Step 3: Cross multiply
    87,366,938.90x = 131,050,408.35 × 53,354,714.90
  4. Step 4: Simplify right side
    87,366,938.90x = 6,992,157,175,042,829
  5. Step 5: Solve for x
    x = 6,992,157,175,042,829/87,366,938.90
  6. Step 6: Final answer
    x = 80,032,072.35

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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.