Home / 205,521,656.92-283,628,064.18-112,705,493.56

Finding the Fourth Proportional to 205,521,656.92, 283,628,064.18 and 112,705,493.56

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Solution

The fourth proportional to 205,521,656.92, 283,628,064.18 and 112,705,493.56 is: 155,538,065.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,521,656.92 : 283,628,064.18 = 112,705,493.56 : x
  2. Step 2: Convert to fraction form
    205,521,656.92/283,628,064.18 = 112,705,493.56/x
  3. Step 3: Cross multiply
    205,521,656.92x = 283,628,064.18 × 112,705,493.56
  4. Step 4: Simplify right side
    205,521,656.92x = 31,966,440,960,874,260
  5. Step 5: Solve for x
    x = 31,966,440,960,874,260/205,521,656.92
  6. Step 6: Final answer
    x = 155,538,065.62

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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.