Home / 100,102,623.10-149,860,001.85-74,656,440.70

Finding the Fourth Proportional to 100,102,623.10, 149,860,001.85 and 74,656,440.70

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Solution

The fourth proportional to 100,102,623.10, 149,860,001.85 and 74,656,440.70 is: 111,765,446.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,102,623.10 : 149,860,001.85 = 74,656,440.70 : x
  2. Step 2: Convert to fraction form
    100,102,623.10/149,860,001.85 = 74,656,440.70/x
  3. Step 3: Cross multiply
    100,102,623.10x = 149,860,001.85 × 74,656,440.70
  4. Step 4: Simplify right side
    100,102,623.10x = 11,188,014,341,416,416
  5. Step 5: Solve for x
    x = 11,188,014,341,416,416/100,102,623.10
  6. Step 6: Final answer
    x = 111,765,446.25

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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.