Home / 108,629,217.72-149,911,161.55-59,072,489.80

Finding the Fourth Proportional to 108,629,217.72, 149,911,161.55 and 59,072,489.80

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Solution

The fourth proportional to 108,629,217.72, 149,911,161.55 and 59,072,489.80 is: 81,521,580.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,629,217.72 : 149,911,161.55 = 59,072,489.80 : x
  2. Step 2: Convert to fraction form
    108,629,217.72/149,911,161.55 = 59,072,489.80/x
  3. Step 3: Cross multiply
    108,629,217.72x = 149,911,161.55 × 59,072,489.80
  4. Step 4: Simplify right side
    108,629,217.72x = 8,855,625,561,046,069
  5. Step 5: Solve for x
    x = 8,855,625,561,046,069/108,629,217.72
  6. Step 6: Final answer
    x = 81,521,580.91

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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.