Home / 69,142,537.20-103,713,805.80-38,846,463.60

Finding the Fourth Proportional to 69,142,537.20, 103,713,805.80 and 38,846,463.60

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Solution

The fourth proportional to 69,142,537.20, 103,713,805.80 and 38,846,463.60 is: 58,269,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,142,537.20 : 103,713,805.80 = 38,846,463.60 : x
  2. Step 2: Convert to fraction form
    69,142,537.20/103,713,805.80 = 38,846,463.60/x
  3. Step 3: Cross multiply
    69,142,537.20x = 103,713,805.80 × 38,846,463.60
  4. Step 4: Simplify right side
    69,142,537.20x = 4,028,914,581,827,169
  5. Step 5: Solve for x
    x = 4,028,914,581,827,169/69,142,537.20
  6. Step 6: Final answer
    x = 58,269,695.40

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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.