Home / 70,169,160.83-105,171,083.81-28,644,103.63

Finding the Fourth Proportional to 70,169,160.83, 105,171,083.81 and 28,644,103.63

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Solution

The fourth proportional to 70,169,160.83, 105,171,083.81 and 28,644,103.63 is: 42,932,413.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,169,160.83 : 105,171,083.81 = 28,644,103.63 : x
  2. Step 2: Convert to fraction form
    70,169,160.83/105,171,083.81 = 28,644,103.63/x
  3. Step 3: Cross multiply
    70,169,160.83x = 105,171,083.81 × 28,644,103.63
  4. Step 4: Simplify right side
    70,169,160.83x = 3,012,531,423,126,907.50
  5. Step 5: Solve for x
    x = 3,012,531,423,126,907.50/70,169,160.83
  6. Step 6: Final answer
    x = 42,932,413.44

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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.