Home / 108,115,136.20-149,201,297.14-61,704,459.24

Finding the Fourth Proportional to 108,115,136.20, 149,201,297.14 and 61,704,459.24

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Solution

The fourth proportional to 108,115,136.20, 149,201,297.14 and 61,704,459.24 is: 85,153,528.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,115,136.20 : 149,201,297.14 = 61,704,459.24 : x
  2. Step 2: Convert to fraction form
    108,115,136.20/149,201,297.14 = 61,704,459.24/x
  3. Step 3: Cross multiply
    108,115,136.20x = 149,201,297.14 × 61,704,459.24
  4. Step 4: Simplify right side
    108,115,136.20x = 9,206,385,357,930,258
  5. Step 5: Solve for x
    x = 9,206,385,357,930,258/108,115,136.20
  6. Step 6: Final answer
    x = 85,153,528.74

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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.