Home / 86,056,383.09-129,122,694.05-45,106,090.22

Finding the Fourth Proportional to 86,056,383.09, 129,122,694.05 and 45,106,090.22

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Solution

The fourth proportional to 86,056,383.09, 129,122,694.05 and 45,106,090.22 is: 67,679,115.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,056,383.09 : 129,122,694.05 = 45,106,090.22 : x
  2. Step 2: Convert to fraction form
    86,056,383.09/129,122,694.05 = 45,106,090.22/x
  3. Step 3: Cross multiply
    86,056,383.09x = 129,122,694.05 × 45,106,090.22
  4. Step 4: Simplify right side
    86,056,383.09x = 5,824,219,887,366,033
  5. Step 5: Solve for x
    x = 5,824,219,887,366,033/86,056,383.09
  6. Step 6: Final answer
    x = 67,679,115.46

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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.