Home / 112,337,117.70-168,505,676.55-31,558,085.70

Finding the Fourth Proportional to 112,337,117.70, 168,505,676.55 and 31,558,085.70

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Solution

The fourth proportional to 112,337,117.70, 168,505,676.55 and 31,558,085.70 is: 47,337,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,337,117.70 : 168,505,676.55 = 31,558,085.70 : x
  2. Step 2: Convert to fraction form
    112,337,117.70/168,505,676.55 = 31,558,085.70/x
  3. Step 3: Cross multiply
    112,337,117.70x = 168,505,676.55 × 31,558,085.70
  4. Step 4: Simplify right side
    112,337,117.70x = 5,317,716,581,501,381
  5. Step 5: Solve for x
    x = 5,317,716,581,501,381/112,337,117.70
  6. Step 6: Final answer
    x = 47,337,128.55

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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.