Home / 69,702,136.80-104,553,205.20-46,743,885.60

Finding the Fourth Proportional to 69,702,136.80, 104,553,205.20 and 46,743,885.60

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Solution

The fourth proportional to 69,702,136.80, 104,553,205.20 and 46,743,885.60 is: 70,115,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,702,136.80 : 104,553,205.20 = 46,743,885.60 : x
  2. Step 2: Convert to fraction form
    69,702,136.80/104,553,205.20 = 46,743,885.60/x
  3. Step 3: Cross multiply
    69,702,136.80x = 104,553,205.20 × 46,743,885.60
  4. Step 4: Simplify right side
    69,702,136.80x = 4,887,223,062,982,125
  5. Step 5: Solve for x
    x = 4,887,223,062,982,125/69,702,136.80
  6. Step 6: Final answer
    x = 70,115,828.40

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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.