Home / 65,129,171.76-89,879,542.47-35,760,247.38

Finding the Fourth Proportional to 65,129,171.76, 89,879,542.47 and 35,760,247.38

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Solution

The fourth proportional to 65,129,171.76, 89,879,542.47 and 35,760,247.38 is: 49,349,847.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,129,171.76 : 89,879,542.47 = 35,760,247.38 : x
  2. Step 2: Convert to fraction form
    65,129,171.76/89,879,542.47 = 35,760,247.38/x
  3. Step 3: Cross multiply
    65,129,171.76x = 89,879,542.47 × 35,760,247.38
  4. Step 4: Simplify right side
    65,129,171.76x = 3,214,114,673,128,416.50
  5. Step 5: Solve for x
    x = 3,214,114,673,128,416.50/65,129,171.76
  6. Step 6: Final answer
    x = 49,349,847.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.