Home / 65,569,399.72-90,483,970.62-36,200,198.59

Finding the Fourth Proportional to 65,569,399.72, 90,483,970.62 and 36,200,198.59

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Solution

The fourth proportional to 65,569,399.72, 90,483,970.62 and 36,200,198.59 is: 49,955,279.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,569,399.72 : 90,483,970.62 = 36,200,198.59 : x
  2. Step 2: Convert to fraction form
    65,569,399.72/90,483,970.62 = 36,200,198.59/x
  3. Step 3: Cross multiply
    65,569,399.72x = 90,483,970.62 × 36,200,198.59
  4. Step 4: Simplify right side
    65,569,399.72x = 3,275,537,705,514,232
  5. Step 5: Solve for x
    x = 3,275,537,705,514,232/65,569,399.72
  6. Step 6: Final answer
    x = 49,955,279.74

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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.