Home / 108,807,621.80-163,211,432.70-28,028,589.80

Finding the Fourth Proportional to 108,807,621.80, 163,211,432.70 and 28,028,589.80

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Solution

The fourth proportional to 108,807,621.80, 163,211,432.70 and 28,028,589.80 is: 42,042,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,807,621.80 : 163,211,432.70 = 28,028,589.80 : x
  2. Step 2: Convert to fraction form
    108,807,621.80/163,211,432.70 = 28,028,589.80/x
  3. Step 3: Cross multiply
    108,807,621.80x = 163,211,432.70 × 28,028,589.80
  4. Step 4: Simplify right side
    108,807,621.80x = 4,574,586,297,818,606
  5. Step 5: Solve for x
    x = 4,574,586,297,818,606/108,807,621.80
  6. Step 6: Final answer
    x = 42,042,884.70

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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.