Home / 199,605,824.70-298,960,839.45-163,774,016.70

Finding the Fourth Proportional to 199,605,824.70, 298,960,839.45 and 163,774,016.70

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Solution

The fourth proportional to 199,605,824.70, 298,960,839.45 and 163,774,016.70 is: 245,293,530.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,605,824.70 : 298,960,839.45 = 163,774,016.70 : x
  2. Step 2: Convert to fraction form
    199,605,824.70/298,960,839.45 = 163,774,016.70/x
  3. Step 3: Cross multiply
    199,605,824.70x = 298,960,839.45 × 163,774,016.70
  4. Step 4: Simplify right side
    199,605,824.70x = 48,962,017,512,730,312
  5. Step 5: Solve for x
    x = 48,962,017,512,730,312/199,605,824.70
  6. Step 6: Final answer
    x = 245,293,530.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.