Home / 86,987,359.20-130,499,701.20-26,409,208.80

Finding the Fourth Proportional to 86,987,359.20, 130,499,701.20 and 26,409,208.80

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Solution

The fourth proportional to 86,987,359.20, 130,499,701.20 and 26,409,208.80 is: 39,619,479.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,987,359.20 : 130,499,701.20 = 26,409,208.80 : x
  2. Step 2: Convert to fraction form
    86,987,359.20/130,499,701.20 = 26,409,208.80/x
  3. Step 3: Cross multiply
    86,987,359.20x = 130,499,701.20 × 26,409,208.80
  4. Step 4: Simplify right side
    86,987,359.20x = 3,446,393,857,328,410.50
  5. Step 5: Solve for x
    x = 3,446,393,857,328,410.50/86,987,359.20
  6. Step 6: Final answer
    x = 39,619,479.07

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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.