Home / 342,546,869.68-472,715,147.93-185,913,978.82

Finding the Fourth Proportional to 342,546,869.68, 472,715,147.93 and 185,913,978.82

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Solution

The fourth proportional to 342,546,869.68, 472,715,147.93 and 185,913,978.82 is: 256,561,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,546,869.68 : 472,715,147.93 = 185,913,978.82 : x
  2. Step 2: Convert to fraction form
    342,546,869.68/472,715,147.93 = 185,913,978.82/x
  3. Step 3: Cross multiply
    342,546,869.68x = 472,715,147.93 × 185,913,978.82
  4. Step 4: Simplify right side
    342,546,869.68x = 87,884,353,998,039,824
  5. Step 5: Solve for x
    x = 87,884,353,998,039,824/342,546,869.68
  6. Step 6: Final answer
    x = 256,561,544.65

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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.