Home / 66,014,910.20-99,022,365.30-63,215,987.60

Finding the Fourth Proportional to 66,014,910.20, 99,022,365.30 and 63,215,987.60

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Solution

The fourth proportional to 66,014,910.20, 99,022,365.30 and 63,215,987.60 is: 94,823,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,014,910.20 : 99,022,365.30 = 63,215,987.60 : x
  2. Step 2: Convert to fraction form
    66,014,910.20/99,022,365.30 = 63,215,987.60/x
  3. Step 3: Cross multiply
    66,014,910.20x = 99,022,365.30 × 63,215,987.60
  4. Step 4: Simplify right side
    66,014,910.20x = 6,259,796,616,927,470
  5. Step 5: Solve for x
    x = 6,259,796,616,927,470/66,014,910.20
  6. Step 6: Final answer
    x = 94,823,981.40

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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.