Home / 108,105,548.74-149,183,813.40-58,545,519.73

Finding the Fourth Proportional to 108,105,548.74, 149,183,813.40 and 58,545,519.73

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Solution

The fourth proportional to 108,105,548.74, 149,183,813.40 and 58,545,519.73 is: 80,791,818.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,105,548.74 : 149,183,813.40 = 58,545,519.73 : x
  2. Step 2: Convert to fraction form
    108,105,548.74/149,183,813.40 = 58,545,519.73/x
  3. Step 3: Cross multiply
    108,105,548.74x = 149,183,813.40 × 58,545,519.73
  4. Step 4: Simplify right side
    108,105,548.74x = 8,734,043,889,767,693
  5. Step 5: Solve for x
    x = 8,734,043,889,767,693/108,105,548.74
  6. Step 6: Final answer
    x = 80,791,818.66

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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.