Home / 69,545,901.60-104,318,852.40-53,453,080.80

Finding the Fourth Proportional to 69,545,901.60, 104,318,852.40 and 53,453,080.80

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Solution

The fourth proportional to 69,545,901.60, 104,318,852.40 and 53,453,080.80 is: 80,179,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,545,901.60 : 104,318,852.40 = 53,453,080.80 : x
  2. Step 2: Convert to fraction form
    69,545,901.60/104,318,852.40 = 53,453,080.80/x
  3. Step 3: Cross multiply
    69,545,901.60x = 104,318,852.40 × 53,453,080.80
  4. Step 4: Simplify right side
    69,545,901.60x = 5,576,164,046,300,474
  5. Step 5: Solve for x
    x = 5,576,164,046,300,474/69,545,901.60
  6. Step 6: Final answer
    x = 80,179,621.20

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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.