Home / 212,947,413.54-293,868,315.99-115,162,269.54

Finding the Fourth Proportional to 212,947,413.54, 293,868,315.99 and 115,162,269.54

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Solution

The fourth proportional to 212,947,413.54, 293,868,315.99 and 115,162,269.54 is: 158,924,410.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,947,413.54 : 293,868,315.99 = 115,162,269.54 : x
  2. Step 2: Convert to fraction form
    212,947,413.54/293,868,315.99 = 115,162,269.54/x
  3. Step 3: Cross multiply
    212,947,413.54x = 293,868,315.99 × 115,162,269.54
  4. Step 4: Simplify right side
    212,947,413.54x = 33,842,542,215,306,276
  5. Step 5: Solve for x
    x = 33,842,542,215,306,276/212,947,413.54
  6. Step 6: Final answer
    x = 158,924,410.74

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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.