Home / 100,102,622.60-149,860,001.10-74,656,440.20

Finding the Fourth Proportional to 100,102,622.60, 149,860,001.10 and 74,656,440.20

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Solution

The fourth proportional to 100,102,622.60, 149,860,001.10 and 74,656,440.20 is: 111,765,445.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,102,622.60 : 149,860,001.10 = 74,656,440.20 : x
  2. Step 2: Convert to fraction form
    100,102,622.60/149,860,001.10 = 74,656,440.20/x
  3. Step 3: Cross multiply
    100,102,622.60x = 149,860,001.10 × 74,656,440.20
  4. Step 4: Simplify right side
    100,102,622.60x = 11,188,014,210,494,084
  5. Step 5: Solve for x
    x = 11,188,014,210,494,084/100,102,622.60
  6. Step 6: Final answer
    x = 111,765,445.50

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1.5x scale

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.