Home / 193,544,312.20-290,749,005.90-161,693,816.20

Finding the Fourth Proportional to 193,544,312.20, 290,749,005.90 and 161,693,816.20

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Solution

The fourth proportional to 193,544,312.20, 290,749,005.90 and 161,693,816.20 is: 242,902,081.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,544,312.20 : 290,749,005.90 = 161,693,816.20 : x
  2. Step 2: Convert to fraction form
    193,544,312.20/290,749,005.90 = 161,693,816.20/x
  3. Step 3: Cross multiply
    193,544,312.20x = 290,749,005.90 × 161,693,816.20
  4. Step 4: Simplify right side
    193,544,312.20x = 47,012,316,320,327,312
  5. Step 5: Solve for x
    x = 47,012,316,320,327,312/193,544,312.20
  6. Step 6: Final answer
    x = 242,902,081.63

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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.