Home / 258,114,423.26-356,193,419.31-140,640,718.80

Finding the Fourth Proportional to 258,114,423.26, 356,193,419.31 and 140,640,718.80

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Solution

The fourth proportional to 258,114,423.26, 356,193,419.31 and 140,640,718.80 is: 194,081,748.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,114,423.26 : 356,193,419.31 = 140,640,718.80 : x
  2. Step 2: Convert to fraction form
    258,114,423.26/356,193,419.31 = 140,640,718.80/x
  3. Step 3: Cross multiply
    258,114,423.26x = 356,193,419.31 × 140,640,718.80
  4. Step 4: Simplify right side
    258,114,423.26x = 50,095,298,523,588,208
  5. Step 5: Solve for x
    x = 50,095,298,523,588,208/258,114,423.26
  6. Step 6: Final answer
    x = 194,081,748.29

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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.