Home / 232,578,842.14-320,965,648.41-128,163,639.52

Finding the Fourth Proportional to 232,578,842.14, 320,965,648.41 and 128,163,639.52

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Solution

The fourth proportional to 232,578,842.14, 320,965,648.41 and 128,163,639.52 is: 176,869,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,578,842.14 : 320,965,648.41 = 128,163,639.52 : x
  2. Step 2: Convert to fraction form
    232,578,842.14/320,965,648.41 = 128,163,639.52/x
  3. Step 3: Cross multiply
    232,578,842.14x = 320,965,648.41 × 128,163,639.52
  4. Step 4: Simplify right side
    232,578,842.14x = 41,136,125,661,122,304
  5. Step 5: Solve for x
    x = 41,136,125,661,122,304/232,578,842.14
  6. Step 6: Final answer
    x = 176,869,595.20

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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.