Home / 57,681,460.09-86,526,040.02-20,285,588.06

Finding the Fourth Proportional to 57,681,460.09, 86,526,040.02 and 20,285,588.06

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Solution

The fourth proportional to 57,681,460.09, 86,526,040.02 and 20,285,588.06 is: 30,429,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,681,460.09 : 86,526,040.02 = 20,285,588.06 : x
  2. Step 2: Convert to fraction form
    57,681,460.09/86,526,040.02 = 20,285,588.06/x
  3. Step 3: Cross multiply
    57,681,460.09x = 86,526,040.02 × 20,285,588.06
  4. Step 4: Simplify right side
    57,681,460.09x = 1,755,231,604,124,565.75
  5. Step 5: Solve for x
    x = 1,755,231,604,124,565.75/57,681,460.09
  6. Step 6: Final answer
    x = 30,429,736.03

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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.