Home / 222,565,944.51-307,177,782.30-123,478,615.76

Finding the Fourth Proportional to 222,565,944.51, 307,177,782.30 and 123,478,615.76

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Solution

The fourth proportional to 222,565,944.51, 307,177,782.30 and 123,478,615.76 is: 170,420,894.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,565,944.51 : 307,177,782.30 = 123,478,615.76 : x
  2. Step 2: Convert to fraction form
    222,565,944.51/307,177,782.30 = 123,478,615.76/x
  3. Step 3: Cross multiply
    222,565,944.51x = 307,177,782.30 × 123,478,615.76
  4. Step 4: Simplify right side
    222,565,944.51x = 37,929,887,349,094,744
  5. Step 5: Solve for x
    x = 37,929,887,349,094,744/222,565,944.51
  6. Step 6: Final answer
    x = 170,420,894.50

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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.