Home / 231,957,214.11-320,081,885.28-136,572,560.19

Finding the Fourth Proportional to 231,957,214.11, 320,081,885.28 and 136,572,560.19

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Solution

The fourth proportional to 231,957,214.11, 320,081,885.28 and 136,572,560.19 is: 188,458,904.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,957,214.11 : 320,081,885.28 = 136,572,560.19 : x
  2. Step 2: Convert to fraction form
    231,957,214.11/320,081,885.28 = 136,572,560.19/x
  3. Step 3: Cross multiply
    231,957,214.11x = 320,081,885.28 × 136,572,560.19
  4. Step 4: Simplify right side
    231,957,214.11x = 43,714,402,543,131,472
  5. Step 5: Solve for x
    x = 43,714,402,543,131,472/231,957,214.11
  6. Step 6: Final answer
    x = 188,458,904.85

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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.