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Finding the Fourth Proportional to 66,470,809.90, 99,467,066.40 and 44,947,449.40

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Solution

The fourth proportional to 66,470,809.90, 99,467,066.40 and 44,947,449.40 is: 67,259,462.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,470,809.90 : 99,467,066.40 = 44,947,449.40 : x
  2. Step 2: Convert to fraction form
    66,470,809.90/99,467,066.40 = 44,947,449.40/x
  3. Step 3: Cross multiply
    66,470,809.90x = 99,467,066.40 × 44,947,449.40
  4. Step 4: Simplify right side
    66,470,809.90x = 4,470,790,933,980,440.50
  5. Step 5: Solve for x
    x = 4,470,790,933,980,440.50/66,470,809.90
  6. Step 6: Final answer
    x = 67,259,462.32

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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.