Home / 66,441,039.80-99,661,559.70-63,571,258.40

Finding the Fourth Proportional to 66,441,039.80, 99,661,559.70 and 63,571,258.40

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Solution

The fourth proportional to 66,441,039.80, 99,661,559.70 and 63,571,258.40 is: 95,356,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,441,039.80 : 99,661,559.70 = 63,571,258.40 : x
  2. Step 2: Convert to fraction form
    66,441,039.80/99,661,559.70 = 63,571,258.40/x
  3. Step 3: Cross multiply
    66,441,039.80x = 99,661,559.70 × 63,571,258.40
  4. Step 4: Simplify right side
    66,441,039.80x = 6,335,610,764,235,727
  5. Step 5: Solve for x
    x = 6,335,610,764,235,727/66,441,039.80
  6. Step 6: Final answer
    x = 95,356,887.60

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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.