Home / 247,281,609.20-370,922,413.80-217,048,521.20

Finding the Fourth Proportional to 247,281,609.20, 370,922,413.80 and 217,048,521.20

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Solution

The fourth proportional to 247,281,609.20, 370,922,413.80 and 217,048,521.20 is: 325,572,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,281,609.20 : 370,922,413.80 = 217,048,521.20 : x
  2. Step 2: Convert to fraction form
    247,281,609.20/370,922,413.80 = 217,048,521.20/x
  3. Step 3: Cross multiply
    247,281,609.20x = 370,922,413.80 × 217,048,521.20
  4. Step 4: Simplify right side
    247,281,609.20x = 80,508,161,395,224,464
  5. Step 5: Solve for x
    x = 80,508,161,395,224,464/247,281,609.20
  6. Step 6: Final answer
    x = 325,572,781.80

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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.