Home / 247,806,462.40-342,322,614.72-198,573,884.80

Finding the Fourth Proportional to 247,806,462.40, 342,322,614.72 and 198,573,884.80

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Solution

The fourth proportional to 247,806,462.40, 342,322,614.72 and 198,573,884.80 is: 274,312,182.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,806,462.40 : 342,322,614.72 = 198,573,884.80 : x
  2. Step 2: Convert to fraction form
    247,806,462.40/342,322,614.72 = 198,573,884.80/x
  3. Step 3: Cross multiply
    247,806,462.40x = 342,322,614.72 × 198,573,884.80
  4. Step 4: Simplify right side
    247,806,462.40x = 67,976,331,459,844,072
  5. Step 5: Solve for x
    x = 67,976,331,459,844,072/247,806,462.40
  6. Step 6: Final answer
    x = 274,312,182.18

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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.