Home / 258,114,426.26-356,193,423.45-140,640,721.80

Finding the Fourth Proportional to 258,114,426.26, 356,193,423.45 and 140,640,721.80

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Solution

The fourth proportional to 258,114,426.26, 356,193,423.45 and 140,640,721.80 is: 194,081,752.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,114,426.26 : 356,193,423.45 = 140,640,721.80 : x
  2. Step 2: Convert to fraction form
    258,114,426.26/356,193,423.45 = 140,640,721.80/x
  3. Step 3: Cross multiply
    258,114,426.26x = 356,193,423.45 × 140,640,721.80
  4. Step 4: Simplify right side
    258,114,426.26x = 50,095,300,174,421,048
  5. Step 5: Solve for x
    x = 50,095,300,174,421,048/258,114,426.26
  6. Step 6: Final answer
    x = 194,081,752.42

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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.