Home / 87,149,755.80-130,710,636.90-26,551,387.80

Finding the Fourth Proportional to 87,149,755.80, 130,710,636.90 and 26,551,387.80

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Solution

The fourth proportional to 87,149,755.80, 130,710,636.90 and 26,551,387.80 is: 39,822,817.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,149,755.80 : 130,710,636.90 = 26,551,387.80 : x
  2. Step 2: Convert to fraction form
    87,149,755.80/130,710,636.90 = 26,551,387.80/x
  3. Step 3: Cross multiply
    87,149,755.80x = 130,710,636.90 × 26,551,387.80
  4. Step 4: Simplify right side
    87,149,755.80x = 3,470,548,809,916,890
  5. Step 5: Solve for x
    x = 3,470,548,809,916,890/87,149,755.80
  6. Step 6: Final answer
    x = 39,822,817.38

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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.