Home / 120,514,576.41-166,311,937.70-67,603,013.01

Finding the Fourth Proportional to 120,514,576.41, 166,311,937.70 and 67,603,013.01

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Solution

The fourth proportional to 120,514,576.41, 166,311,937.70 and 67,603,013.01 is: 93,293,180.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,514,576.41 : 166,311,937.70 = 67,603,013.01 : x
  2. Step 2: Convert to fraction form
    120,514,576.41/166,311,937.70 = 67,603,013.01/x
  3. Step 3: Cross multiply
    120,514,576.41x = 166,311,937.70 × 67,603,013.01
  4. Step 4: Simplify right side
    120,514,576.41x = 11,243,188,087,713,394
  5. Step 5: Solve for x
    x = 11,243,188,087,713,394/120,514,576.41
  6. Step 6: Final answer
    x = 93,293,180.15

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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.