Home / 115,143,946.32-172,763,658.36-50,414,341.20

Finding the Fourth Proportional to 115,143,946.32, 172,763,658.36 and 50,414,341.20

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Solution

The fourth proportional to 115,143,946.32, 172,763,658.36 and 50,414,341.20 is: 75,642,413.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,143,946.32 : 172,763,658.36 = 50,414,341.20 : x
  2. Step 2: Convert to fraction form
    115,143,946.32/172,763,658.36 = 50,414,341.20/x
  3. Step 3: Cross multiply
    115,143,946.32x = 172,763,658.36 × 50,414,341.20
  4. Step 4: Simplify right side
    115,143,946.32x = 8,709,766,019,521,274
  5. Step 5: Solve for x
    x = 8,709,766,019,521,274/115,143,946.32
  6. Step 6: Final answer
    x = 75,642,413.67

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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.