Home / 86,939,467.20-130,409,200.80-41,589,835.20

Finding the Fourth Proportional to 86,939,467.20, 130,409,200.80 and 41,589,835.20

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Solution

The fourth proportional to 86,939,467.20, 130,409,200.80 and 41,589,835.20 is: 62,384,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,939,467.20 : 130,409,200.80 = 41,589,835.20 : x
  2. Step 2: Convert to fraction form
    86,939,467.20/130,409,200.80 = 41,589,835.20/x
  3. Step 3: Cross multiply
    86,939,467.20x = 130,409,200.80 × 41,589,835.20
  4. Step 4: Simplify right side
    86,939,467.20x = 5,423,697,169,835,708
  5. Step 5: Solve for x
    x = 5,423,697,169,835,708/86,939,467.20
  6. Step 6: Final answer
    x = 62,384,752.80

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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.