Home / 66,345,874.08-99,520,385.76-17,823,789.60

Finding the Fourth Proportional to 66,345,874.08, 99,520,385.76 and 17,823,789.60

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Solution

The fourth proportional to 66,345,874.08, 99,520,385.76 and 17,823,789.60 is: 26,736,107.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,345,874.08 : 99,520,385.76 = 17,823,789.60 : x
  2. Step 2: Convert to fraction form
    66,345,874.08/99,520,385.76 = 17,823,789.60/x
  3. Step 3: Cross multiply
    66,345,874.08x = 99,520,385.76 × 17,823,789.60
  4. Step 4: Simplify right side
    66,345,874.08x = 1,773,830,416,697,076.25
  5. Step 5: Solve for x
    x = 1,773,830,416,697,076.25/66,345,874.08
  6. Step 6: Final answer
    x = 26,736,107.43

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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.