Home / 123,090,419.20-184,635,628.80-59,389,427.20

Finding the Fourth Proportional to 123,090,419.20, 184,635,628.80 and 59,389,427.20

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Solution

The fourth proportional to 123,090,419.20, 184,635,628.80 and 59,389,427.20 is: 89,084,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,090,419.20 : 184,635,628.80 = 59,389,427.20 : x
  2. Step 2: Convert to fraction form
    123,090,419.20/184,635,628.80 = 59,389,427.20/x
  3. Step 3: Cross multiply
    123,090,419.20x = 184,635,628.80 × 59,389,427.20
  4. Step 4: Simplify right side
    123,090,419.20x = 10,965,404,235,143,824
  5. Step 5: Solve for x
    x = 10,965,404,235,143,824/123,090,419.20
  6. Step 6: Final answer
    x = 89,084,140.80

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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.