Home / 78,263,436.24-116,868,127.68-63,914,966.64

Finding the Fourth Proportional to 78,263,436.24, 116,868,127.68 and 63,914,966.64

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Solution

The fourth proportional to 78,263,436.24, 116,868,127.68 and 63,914,966.64 is: 95,442,046.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,263,436.24 : 116,868,127.68 = 63,914,966.64 : x
  2. Step 2: Convert to fraction form
    78,263,436.24/116,868,127.68 = 63,914,966.64/x
  3. Step 3: Cross multiply
    78,263,436.24x = 116,868,127.68 × 63,914,966.64
  4. Step 4: Simplify right side
    78,263,436.24x = 7,469,622,481,946,461
  5. Step 5: Solve for x
    x = 7,469,622,481,946,461/78,263,436.24
  6. Step 6: Final answer
    x = 95,442,046.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.