Home / 136,855,760.67-188,859,385.76-74,130,676.11

Finding the Fourth Proportional to 136,855,760.67, 188,859,385.76 and 74,130,676.11

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Solution

The fourth proportional to 136,855,760.67, 188,859,385.76 and 74,130,676.11 is: 102,299,485.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,855,760.67 : 188,859,385.76 = 74,130,676.11 : x
  2. Step 2: Convert to fraction form
    136,855,760.67/188,859,385.76 = 74,130,676.11/x
  3. Step 3: Cross multiply
    136,855,760.67x = 188,859,385.76 × 74,130,676.11
  4. Step 4: Simplify right side
    136,855,760.67x = 14,000,273,955,737,452
  5. Step 5: Solve for x
    x = 14,000,273,955,737,452/136,855,760.67
  6. Step 6: Final answer
    x = 102,299,485.88

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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.