Home / 169,841,211.70-254,383,903.95-139,608,123.70

Finding the Fourth Proportional to 169,841,211.70, 254,383,903.95 and 139,608,123.70

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Solution

The fourth proportional to 169,841,211.70, 254,383,903.95 and 139,608,123.70 is: 209,101,543.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,841,211.70 : 254,383,903.95 = 139,608,123.70 : x
  2. Step 2: Convert to fraction form
    169,841,211.70/254,383,903.95 = 139,608,123.70/x
  3. Step 3: Cross multiply
    169,841,211.70x = 254,383,903.95 × 139,608,123.70
  4. Step 4: Simplify right side
    169,841,211.70x = 35,514,059,529,940,512
  5. Step 5: Solve for x
    x = 35,514,059,529,940,512/169,841,211.70
  6. Step 6: Final answer
    x = 209,101,543.58

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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.