Home / 148,615,213.70-222,922,820.55-51,538,657.70

Finding the Fourth Proportional to 148,615,213.70, 222,922,820.55 and 51,538,657.70

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Solution

The fourth proportional to 148,615,213.70, 222,922,820.55 and 51,538,657.70 is: 77,307,986.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,615,213.70 : 222,922,820.55 = 51,538,657.70 : x
  2. Step 2: Convert to fraction form
    148,615,213.70/222,922,820.55 = 51,538,657.70/x
  3. Step 3: Cross multiply
    148,615,213.70x = 222,922,820.55 × 51,538,657.70
  4. Step 4: Simplify right side
    148,615,213.70x = 11,489,142,941,844,978
  5. Step 5: Solve for x
    x = 11,489,142,941,844,978/148,615,213.70
  6. Step 6: Final answer
    x = 77,307,986.55

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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.