Home / 78,391,047.72-117,578,969.19-23,804,106.06

Finding the Fourth Proportional to 78,391,047.72, 117,578,969.19 and 23,804,106.06

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Solution

The fourth proportional to 78,391,047.72, 117,578,969.19 and 23,804,106.06 is: 35,703,850.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,391,047.72 : 117,578,969.19 = 23,804,106.06 : x
  2. Step 2: Convert to fraction form
    78,391,047.72/117,578,969.19 = 23,804,106.06/x
  3. Step 3: Cross multiply
    78,391,047.72x = 117,578,969.19 × 23,804,106.06
  4. Step 4: Simplify right side
    78,391,047.72x = 2,798,862,253,024,232
  5. Step 5: Solve for x
    x = 2,798,862,253,024,232/78,391,047.72
  6. Step 6: Final answer
    x = 35,703,850.56

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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.