Home / 108,807,620.80-163,211,431.20-28,028,588.80

Finding the Fourth Proportional to 108,807,620.80, 163,211,431.20 and 28,028,588.80

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Solution

The fourth proportional to 108,807,620.80, 163,211,431.20 and 28,028,588.80 is: 42,042,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,807,620.80 : 163,211,431.20 = 28,028,588.80 : x
  2. Step 2: Convert to fraction form
    108,807,620.80/163,211,431.20 = 28,028,588.80/x
  3. Step 3: Cross multiply
    108,807,620.80x = 163,211,431.20 × 28,028,588.80
  4. Step 4: Simplify right side
    108,807,620.80x = 4,574,586,092,564,290
  5. Step 5: Solve for x
    x = 4,574,586,092,564,290/108,807,620.80
  6. Step 6: Final answer
    x = 42,042,883.20

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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.