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Finding the Fourth Proportional to 163,883,274.30, 245,824,911.45 and 163,883,274.30

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Solution

The fourth proportional to 163,883,274.30, 245,824,911.45 and 163,883,274.30 is: 245,824,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,883,274.30 : 245,824,911.45 = 163,883,274.30 : x
  2. Step 2: Convert to fraction form
    163,883,274.30/245,824,911.45 = 163,883,274.30/x
  3. Step 3: Cross multiply
    163,883,274.30x = 245,824,911.45 × 163,883,274.30
  4. Step 4: Simplify right side
    163,883,274.30x = 40,286,591,392,933,560
  5. Step 5: Solve for x
    x = 40,286,591,392,933,560/163,883,274.30
  6. Step 6: Final answer
    x = 245,824,911.45

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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.