Home / 66,628,670.07-91,970,680.19-45,789,686.07

Finding the Fourth Proportional to 66,628,670.07, 91,970,680.19 and 45,789,686.07

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Solution

The fourth proportional to 66,628,670.07, 91,970,680.19 and 45,789,686.07 is: 63,205,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,628,670.07 : 91,970,680.19 = 45,789,686.07 : x
  2. Step 2: Convert to fraction form
    66,628,670.07/91,970,680.19 = 45,789,686.07/x
  3. Step 3: Cross multiply
    66,628,670.07x = 91,970,680.19 × 45,789,686.07
  4. Step 4: Simplify right side
    66,628,670.07x = 4,211,308,573,315,519.50
  5. Step 5: Solve for x
    x = 4,211,308,573,315,519.50/66,628,670.07
  6. Step 6: Final answer
    x = 63,205,652.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.