Home / 86,906,052.20-130,374,824.70-43,666,437.80

Finding the Fourth Proportional to 86,906,052.20, 130,374,824.70 and 43,666,437.80

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Solution

The fourth proportional to 86,906,052.20, 130,374,824.70 and 43,666,437.80 is: 65,507,568.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,906,052.20 : 130,374,824.70 = 43,666,437.80 : x
  2. Step 2: Convert to fraction form
    86,906,052.20/130,374,824.70 = 43,666,437.80/x
  3. Step 3: Cross multiply
    86,906,052.20x = 130,374,824.70 × 43,666,437.80
  4. Step 4: Simplify right side
    86,906,052.20x = 5,693,004,173,448,453
  5. Step 5: Solve for x
    x = 5,693,004,173,448,453/86,906,052.20
  6. Step 6: Final answer
    x = 65,507,568.57

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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.