Home / 122,478,007.80-183,717,011.70-100,936,932.60

Finding the Fourth Proportional to 122,478,007.80, 183,717,011.70 and 100,936,932.60

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Solution

The fourth proportional to 122,478,007.80, 183,717,011.70 and 100,936,932.60 is: 151,405,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,478,007.80 : 183,717,011.70 = 100,936,932.60 : x
  2. Step 2: Convert to fraction form
    122,478,007.80/183,717,011.70 = 100,936,932.60/x
  3. Step 3: Cross multiply
    122,478,007.80x = 183,717,011.70 × 100,936,932.60
  4. Step 4: Simplify right side
    122,478,007.80x = 18,543,831,627,436,308
  5. Step 5: Solve for x
    x = 18,543,831,627,436,308/122,478,007.80
  6. Step 6: Final answer
    x = 151,405,398.90

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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.