Home / 78,391,040.40-117,578,957.40-23,804,098.56

Finding the Fourth Proportional to 78,391,040.40, 117,578,957.40 and 23,804,098.56

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Solution

The fourth proportional to 78,391,040.40, 117,578,957.40 and 23,804,098.56 is: 35,703,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,391,040.40 : 117,578,957.40 = 23,804,098.56 : x
  2. Step 2: Convert to fraction form
    78,391,040.40/117,578,957.40 = 23,804,098.56/x
  3. Step 3: Cross multiply
    78,391,040.40x = 117,578,957.40 × 23,804,098.56
  4. Step 4: Simplify right side
    78,391,040.40x = 2,798,861,090,531,641.50
  5. Step 5: Solve for x
    x = 2,798,861,090,531,641.50/78,391,040.40
  6. Step 6: Final answer
    x = 35,703,839.06

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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.