Home / 205,521,655.92-283,628,062.80-112,705,492.56

Finding the Fourth Proportional to 205,521,655.92, 283,628,062.80 and 112,705,492.56

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Solution

The fourth proportional to 205,521,655.92, 283,628,062.80 and 112,705,492.56 is: 155,538,064.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,521,655.92 : 283,628,062.80 = 112,705,492.56 : x
  2. Step 2: Convert to fraction form
    205,521,655.92/283,628,062.80 = 112,705,492.56/x
  3. Step 3: Cross multiply
    205,521,655.92x = 283,628,062.80 × 112,705,492.56
  4. Step 4: Simplify right side
    205,521,655.92x = 31,966,440,521,712,616
  5. Step 5: Solve for x
    x = 31,966,440,521,712,616/205,521,655.92
  6. Step 6: Final answer
    x = 155,538,064.24

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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.