Home / 122,485,905.20-183,728,857.80-100,962,544.70

Finding the Fourth Proportional to 122,485,905.20, 183,728,857.80 and 100,962,544.70

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Solution

The fourth proportional to 122,485,905.20, 183,728,857.80 and 100,962,544.70 is: 151,443,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,485,905.20 : 183,728,857.80 = 100,962,544.70 : x
  2. Step 2: Convert to fraction form
    122,485,905.20/183,728,857.80 = 100,962,544.70/x
  3. Step 3: Cross multiply
    122,485,905.20x = 183,728,857.80 × 100,962,544.70
  4. Step 4: Simplify right side
    122,485,905.20x = 18,549,733,018,312,444
  5. Step 5: Solve for x
    x = 18,549,733,018,312,444/122,485,905.20
  6. Step 6: Final answer
    x = 151,443,817.05

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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.