Home / 165,216,830.80-247,825,246.20-147,360,413.20

Finding the Fourth Proportional to 165,216,830.80, 247,825,246.20 and 147,360,413.20

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Solution

The fourth proportional to 165,216,830.80, 247,825,246.20 and 147,360,413.20 is: 221,040,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,216,830.80 : 247,825,246.20 = 147,360,413.20 : x
  2. Step 2: Convert to fraction form
    165,216,830.80/247,825,246.20 = 147,360,413.20/x
  3. Step 3: Cross multiply
    165,216,830.80x = 247,825,246.20 × 147,360,413.20
  4. Step 4: Simplify right side
    165,216,830.80x = 36,519,630,681,423,728
  5. Step 5: Solve for x
    x = 36,519,630,681,423,728/165,216,830.80
  6. Step 6: Final answer
    x = 221,040,619.80

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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.