Home / 137,483,849.93-189,731,308.73-74,763,616.15

Finding the Fourth Proportional to 137,483,849.93, 189,731,308.73 and 74,763,616.15

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Solution

The fourth proportional to 137,483,849.93, 189,731,308.73 and 74,763,616.15 is: 103,175,745.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,483,849.93 : 189,731,308.73 = 74,763,616.15 : x
  2. Step 2: Convert to fraction form
    137,483,849.93/189,731,308.73 = 74,763,616.15/x
  3. Step 3: Cross multiply
    137,483,849.93x = 189,731,308.73 × 74,763,616.15
  4. Step 4: Simplify right side
    137,483,849.93x = 14,184,998,737,526,864
  5. Step 5: Solve for x
    x = 14,184,998,737,526,864/137,483,849.93
  6. Step 6: Final answer
    x = 103,175,745.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.