Home / 157,114,092.32-216,824,174.55-87,499,473.38

Finding the Fourth Proportional to 157,114,092.32, 216,824,174.55 and 87,499,473.38

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Solution

The fourth proportional to 157,114,092.32, 216,824,174.55 and 87,499,473.38 is: 120,753,019.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,114,092.32 : 216,824,174.55 = 87,499,473.38 : x
  2. Step 2: Convert to fraction form
    157,114,092.32/216,824,174.55 = 87,499,473.38/x
  3. Step 3: Cross multiply
    157,114,092.32x = 216,824,174.55 × 87,499,473.38
  4. Step 4: Simplify right side
    157,114,092.32x = 18,972,001,089,178,200
  5. Step 5: Solve for x
    x = 18,972,001,089,178,200/157,114,092.32
  6. Step 6: Final answer
    x = 120,753,019.73

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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.