Home / 86,583,651.40-129,875,477.10-25,991,504.20

Finding the Fourth Proportional to 86,583,651.40, 129,875,477.10 and 25,991,504.20

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Solution

The fourth proportional to 86,583,651.40, 129,875,477.10 and 25,991,504.20 is: 38,987,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,583,651.40 : 129,875,477.10 = 25,991,504.20 : x
  2. Step 2: Convert to fraction form
    86,583,651.40/129,875,477.10 = 25,991,504.20/x
  3. Step 3: Cross multiply
    86,583,651.40x = 129,875,477.10 × 25,991,504.20
  4. Step 4: Simplify right side
    86,583,651.40x = 3,375,659,008,521,653.50
  5. Step 5: Solve for x
    x = 3,375,659,008,521,653.50/86,583,651.40
  6. Step 6: Final answer
    x = 38,987,256.30

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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.