Home / 69,984,043.20-104,976,064.80-21,461,511.60

Finding the Fourth Proportional to 69,984,043.20, 104,976,064.80 and 21,461,511.60

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Solution

The fourth proportional to 69,984,043.20, 104,976,064.80 and 21,461,511.60 is: 32,192,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,043.20 : 104,976,064.80 = 21,461,511.60 : x
  2. Step 2: Convert to fraction form
    69,984,043.20/104,976,064.80 = 21,461,511.60/x
  3. Step 3: Cross multiply
    69,984,043.20x = 104,976,064.80 × 21,461,511.60
  4. Step 4: Simplify right side
    69,984,043.20x = 2,252,945,032,427,552
  5. Step 5: Solve for x
    x = 2,252,945,032,427,552/69,984,043.20
  6. Step 6: Final answer
    x = 32,192,267.40

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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.