Home / 86,909,912.60-130,215,569.70-41,373,656.60

Finding the Fourth Proportional to 86,909,912.60, 130,215,569.70 and 41,373,656.60

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Solution

The fourth proportional to 86,909,912.60, 130,215,569.70 and 41,373,656.60 is: 61,989,410.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,909,912.60 : 130,215,569.70 = 41,373,656.60 : x
  2. Step 2: Convert to fraction form
    86,909,912.60/130,215,569.70 = 41,373,656.60/x
  3. Step 3: Cross multiply
    86,909,912.60x = 130,215,569.70 × 41,373,656.60
  4. Step 4: Simplify right side
    86,909,912.60x = 5,387,494,264,741,165
  5. Step 5: Solve for x
    x = 5,387,494,264,741,165/86,909,912.60
  6. Step 6: Final answer
    x = 61,989,410.68

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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.