Home / 100,102,633.60-149,860,017.60-74,656,451.20

Finding the Fourth Proportional to 100,102,633.60, 149,860,017.60 and 74,656,451.20

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Solution

The fourth proportional to 100,102,633.60, 149,860,017.60 and 74,656,451.20 is: 111,765,461.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,102,633.60 : 149,860,017.60 = 74,656,451.20 : x
  2. Step 2: Convert to fraction form
    100,102,633.60/149,860,017.60 = 74,656,451.20/x
  3. Step 3: Cross multiply
    100,102,633.60x = 149,860,017.60 × 74,656,451.20
  4. Step 4: Simplify right side
    100,102,633.60x = 11,188,017,090,785,542
  5. Step 5: Solve for x
    x = 11,188,017,090,785,542/100,102,633.60
  6. Step 6: Final answer
    x = 111,765,461.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.