Home / 108,563,569.80-162,845,354.70-87,040,209.30

Finding the Fourth Proportional to 108,563,569.80, 162,845,354.70 and 87,040,209.30

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Solution

The fourth proportional to 108,563,569.80, 162,845,354.70 and 87,040,209.30 is: 130,560,313.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,563,569.80 : 162,845,354.70 = 87,040,209.30 : x
  2. Step 2: Convert to fraction form
    108,563,569.80/162,845,354.70 = 87,040,209.30/x
  3. Step 3: Cross multiply
    108,563,569.80x = 162,845,354.70 × 87,040,209.30
  4. Step 4: Simplify right side
    108,563,569.80x = 14,174,093,756,620,738
  5. Step 5: Solve for x
    x = 14,174,093,756,620,738/108,563,569.80
  6. Step 6: Final answer
    x = 130,560,313.95

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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.