Home / 108,115,200.58-149,201,385.87-61,704,523.30

Finding the Fourth Proportional to 108,115,200.58, 149,201,385.87 and 61,704,523.30

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Solution

The fourth proportional to 108,115,200.58, 149,201,385.87 and 61,704,523.30 is: 85,153,617.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,115,200.58 : 149,201,385.87 = 61,704,523.30 : x
  2. Step 2: Convert to fraction form
    108,115,200.58/149,201,385.87 = 61,704,523.30/x
  3. Step 3: Cross multiply
    108,115,200.58x = 149,201,385.87 × 61,704,523.30
  4. Step 4: Simplify right side
    108,115,200.58x = 9,206,400,390,807,706
  5. Step 5: Solve for x
    x = 9,206,400,390,807,706/108,115,200.58
  6. Step 6: Final answer
    x = 85,153,617.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.