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Finding the Fourth Proportional to 149,308,975.20, 223,963,462.80 and 149,308,975.20

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Solution

The fourth proportional to 149,308,975.20, 223,963,462.80 and 149,308,975.20 is: 223,963,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,308,975.20 : 223,963,462.80 = 149,308,975.20 : x
  2. Step 2: Convert to fraction form
    149,308,975.20/223,963,462.80 = 149,308,975.20/x
  3. Step 3: Cross multiply
    149,308,975.20x = 223,963,462.80 × 149,308,975.20
  4. Step 4: Simplify right side
    149,308,975.20x = 33,439,755,112,911,320
  5. Step 5: Solve for x
    x = 33,439,755,112,911,320/149,308,975.20
  6. Step 6: Final answer
    x = 223,963,462.80

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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.