Home / 86,831,085.26-130,218,975.10-28,525,229.24

Finding the Fourth Proportional to 86,831,085.26, 130,218,975.10 and 28,525,229.24

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Solution

The fourth proportional to 86,831,085.26, 130,218,975.10 and 28,525,229.24 is: 42,778,759.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,831,085.26 : 130,218,975.10 = 28,525,229.24 : x
  2. Step 2: Convert to fraction form
    86,831,085.26/130,218,975.10 = 28,525,229.24/x
  3. Step 3: Cross multiply
    86,831,085.26x = 130,218,975.10 × 28,525,229.24
  4. Step 4: Simplify right side
    86,831,085.26x = 3,714,526,116,125,351.50
  5. Step 5: Solve for x
    x = 3,714,526,116,125,351.50/86,831,085.26
  6. Step 6: Final answer
    x = 42,778,759.53

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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.