Home / 122,478,009.80-183,717,014.70-100,936,934.60

Finding the Fourth Proportional to 122,478,009.80, 183,717,014.70 and 100,936,934.60

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Solution

The fourth proportional to 122,478,009.80, 183,717,014.70 and 100,936,934.60 is: 151,405,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,478,009.80 : 183,717,014.70 = 100,936,934.60 : x
  2. Step 2: Convert to fraction form
    122,478,009.80/183,717,014.70 = 100,936,934.60/x
  3. Step 3: Cross multiply
    122,478,009.80x = 183,717,014.70 × 100,936,934.60
  4. Step 4: Simplify right side
    122,478,009.80x = 18,543,832,297,681,136
  5. Step 5: Solve for x
    x = 18,543,832,297,681,136/122,478,009.80
  6. Step 6: Final answer
    x = 151,405,401.90

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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.