Home / 232,479,968.49-320,822,373.85-128,058,039.81

Finding the Fourth Proportional to 232,479,968.49, 320,822,373.85 and 128,058,039.81

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Solution

The fourth proportional to 232,479,968.49, 320,822,373.85 and 128,058,039.81 is: 176,720,104.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,479,968.49 : 320,822,373.85 = 128,058,039.81 : x
  2. Step 2: Convert to fraction form
    232,479,968.49/320,822,373.85 = 128,058,039.81/x
  3. Step 3: Cross multiply
    232,479,968.49x = 320,822,373.85 × 128,058,039.81
  4. Step 4: Simplify right side
    232,479,968.49x = 41,083,884,322,101,864
  5. Step 5: Solve for x
    x = 41,083,884,322,101,864/232,479,968.49
  6. Step 6: Final answer
    x = 176,720,104.48

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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.