Home / 123,588,761.72-185,415,450.60-71,723,506.23

Finding the Fourth Proportional to 123,588,761.72, 185,415,450.60 and 71,723,506.23

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Solution

The fourth proportional to 123,588,761.72, 185,415,450.60 and 71,723,506.23 is: 107,604,008.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,588,761.72 : 185,415,450.60 = 71,723,506.23 : x
  2. Step 2: Convert to fraction form
    123,588,761.72/185,415,450.60 = 71,723,506.23/x
  3. Step 3: Cross multiply
    123,588,761.72x = 185,415,450.60 × 71,723,506.23
  4. Step 4: Simplify right side
    123,588,761.72x = 13,298,646,226,247,358
  5. Step 5: Solve for x
    x = 13,298,646,226,247,358/123,588,761.72
  6. Step 6: Final answer
    x = 107,604,008.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.