Home / 221,011,581.20-330,879,642.60-195,502,413.20

Finding the Fourth Proportional to 221,011,581.20, 330,879,642.60 and 195,502,413.20

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Solution

The fourth proportional to 221,011,581.20, 330,879,642.60 and 195,502,413.20 is: 292,689,497.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,011,581.20 : 330,879,642.60 = 195,502,413.20 : x
  2. Step 2: Convert to fraction form
    221,011,581.20/330,879,642.60 = 195,502,413.20/x
  3. Step 3: Cross multiply
    221,011,581.20x = 330,879,642.60 × 195,502,413.20
  4. Step 4: Simplify right side
    221,011,581.20x = 64,687,768,607,053,520
  5. Step 5: Solve for x
    x = 64,687,768,607,053,520/221,011,581.20
  6. Step 6: Final answer
    x = 292,689,497.34

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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.