Home / 86,224,090.26-129,288,283.82-28,684,951.32

Finding the Fourth Proportional to 86,224,090.26, 129,288,283.82 and 28,684,951.32

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Solution

The fourth proportional to 86,224,090.26, 129,288,283.82 and 28,684,951.32 is: 43,011,507.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,224,090.26 : 129,288,283.82 = 28,684,951.32 : x
  2. Step 2: Convert to fraction form
    86,224,090.26/129,288,283.82 = 28,684,951.32/x
  3. Step 3: Cross multiply
    86,224,090.26x = 129,288,283.82 × 28,684,951.32
  4. Step 4: Simplify right side
    86,224,090.26x = 3,708,628,127,623,043.50
  5. Step 5: Solve for x
    x = 3,708,628,127,623,043.50/86,224,090.26
  6. Step 6: Final answer
    x = 43,011,507.76

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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.