Home / 68,441,606.40-102,662,409.60-63,906,643.20

Finding the Fourth Proportional to 68,441,606.40, 102,662,409.60 and 63,906,643.20

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Solution

The fourth proportional to 68,441,606.40, 102,662,409.60 and 63,906,643.20 is: 95,859,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,441,606.40 : 102,662,409.60 = 63,906,643.20 : x
  2. Step 2: Convert to fraction form
    68,441,606.40/102,662,409.60 = 63,906,643.20/x
  3. Step 3: Cross multiply
    68,441,606.40x = 102,662,409.60 × 63,906,643.20
  4. Step 4: Simplify right side
    68,441,606.40x = 6,560,809,980,359,455
  5. Step 5: Solve for x
    x = 6,560,809,980,359,455/68,441,606.40
  6. Step 6: Final answer
    x = 95,859,964.80

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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.