Home / 193,728,131.34-290,663,055.81-90,146,737.50

Finding the Fourth Proportional to 193,728,131.34, 290,663,055.81 and 90,146,737.50

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Solution

The fourth proportional to 193,728,131.34, 290,663,055.81 and 90,146,737.50 is: 135,253,078.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,728,131.34 : 290,663,055.81 = 90,146,737.50 : x
  2. Step 2: Convert to fraction form
    193,728,131.34/290,663,055.81 = 90,146,737.50/x
  3. Step 3: Cross multiply
    193,728,131.34x = 290,663,055.81 × 90,146,737.50
  4. Step 4: Simplify right side
    193,728,131.34x = 26,202,326,193,051,920
  5. Step 5: Solve for x
    x = 26,202,326,193,051,920/193,728,131.34
  6. Step 6: Final answer
    x = 135,253,078.69

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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.