Home / 86,112,021.48-129,253,062.77-37,623,344.64

Finding the Fourth Proportional to 86,112,021.48, 129,253,062.77 and 37,623,344.64

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Solution

The fourth proportional to 86,112,021.48, 129,253,062.77 and 37,623,344.64 is: 56,472,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,112,021.48 : 129,253,062.77 = 37,623,344.64 : x
  2. Step 2: Convert to fraction form
    86,112,021.48/129,253,062.77 = 37,623,344.64/x
  3. Step 3: Cross multiply
    86,112,021.48x = 129,253,062.77 × 37,623,344.64
  4. Step 4: Simplify right side
    86,112,021.48x = 4,862,932,526,050,978
  5. Step 5: Solve for x
    x = 4,862,932,526,050,978/86,112,021.48
  6. Step 6: Final answer
    x = 56,472,167.80

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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.