Home / 81,549,485.16-122,263,128.99-49,193,845.62

Finding the Fourth Proportional to 81,549,485.16, 122,263,128.99 and 49,193,845.62

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Solution

The fourth proportional to 81,549,485.16, 122,263,128.99 and 49,193,845.62 is: 73,753,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,549,485.16 : 122,263,128.99 = 49,193,845.62 : x
  2. Step 2: Convert to fraction form
    81,549,485.16/122,263,128.99 = 49,193,845.62/x
  3. Step 3: Cross multiply
    81,549,485.16x = 122,263,128.99 × 49,193,845.62
  4. Step 4: Simplify right side
    81,549,485.16x = 6,014,593,492,552,206
  5. Step 5: Solve for x
    x = 6,014,593,492,552,206/81,549,485.16
  6. Step 6: Final answer
    x = 73,753,911.27

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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.