Home / 272,392,644-375,910,922.16-148,640,111.52

Finding the Fourth Proportional to 272,392,644, 375,910,922.16 and 148,640,111.52

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Solution

The fourth proportional to 272,392,644, 375,910,922.16 and 148,640,111.52 is: 205,128,305.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,392,644 : 375,910,922.16 = 148,640,111.52 : x
  2. Step 2: Convert to fraction form
    272,392,644/375,910,922.16 = 148,640,111.52/x
  3. Step 3: Cross multiply
    272,392,644x = 375,910,922.16 × 148,640,111.52
  4. Step 4: Simplify right side
    272,392,644x = 55,875,441,391,448,448
  5. Step 5: Solve for x
    x = 55,875,441,391,448,448/272,392,644
  6. Step 6: Final answer
    x = 205,128,305.12

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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.