Home / 103,892,537.20-155,736,016.80-49,209,007.90

Finding the Fourth Proportional to 103,892,537.20, 155,736,016.80 and 49,209,007.90

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Solution

The fourth proportional to 103,892,537.20, 155,736,016.80 and 49,209,007.90 is: 73,764,825.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,892,537.20 : 155,736,016.80 = 49,209,007.90 : x
  2. Step 2: Convert to fraction form
    103,892,537.20/155,736,016.80 = 49,209,007.90/x
  3. Step 3: Cross multiply
    103,892,537.20x = 155,736,016.80 × 49,209,007.90
  4. Step 4: Simplify right side
    103,892,537.20x = 7,663,614,881,025,733
  5. Step 5: Solve for x
    x = 7,663,614,881,025,733/103,892,537.20
  6. Step 6: Final answer
    x = 73,764,825.54

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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.