Home / 258,114,421.52-356,193,416.88-140,640,717.08

Finding the Fourth Proportional to 258,114,421.52, 356,193,416.88 and 140,640,717.08

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Solution

The fourth proportional to 258,114,421.52, 356,193,416.88 and 140,640,717.08 is: 194,081,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,114,421.52 : 356,193,416.88 = 140,640,717.08 : x
  2. Step 2: Convert to fraction form
    258,114,421.52/356,193,416.88 = 140,640,717.08/x
  3. Step 3: Cross multiply
    258,114,421.52x = 356,193,416.88 × 140,640,717.08
  4. Step 4: Simplify right side
    258,114,421.52x = 50,095,297,569,178,584
  5. Step 5: Solve for x
    x = 50,095,297,569,178,584/258,114,421.52
  6. Step 6: Final answer
    x = 194,081,745.89

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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.