Home / 193,021,320.80-289,531,981.20-162,788,232.80

Finding the Fourth Proportional to 193,021,320.80, 289,531,981.20 and 162,788,232.80

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Solution

The fourth proportional to 193,021,320.80, 289,531,981.20 and 162,788,232.80 is: 244,182,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,021,320.80 : 289,531,981.20 = 162,788,232.80 : x
  2. Step 2: Convert to fraction form
    193,021,320.80/289,531,981.20 = 162,788,232.80/x
  3. Step 3: Cross multiply
    193,021,320.80x = 289,531,981.20 × 162,788,232.80
  4. Step 4: Simplify right side
    193,021,320.80x = 47,132,399,558,630,824
  5. Step 5: Solve for x
    x = 47,132,399,558,630,824/193,021,320.80
  6. Step 6: Final answer
    x = 244,182,349.20

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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.