Home / 109,261,537.20-163,892,305.80-84,868,395.30

Finding the Fourth Proportional to 109,261,537.20, 163,892,305.80 and 84,868,395.30

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Solution

The fourth proportional to 109,261,537.20, 163,892,305.80 and 84,868,395.30 is: 127,302,592.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,261,537.20 : 163,892,305.80 = 84,868,395.30 : x
  2. Step 2: Convert to fraction form
    109,261,537.20/163,892,305.80 = 84,868,395.30/x
  3. Step 3: Cross multiply
    109,261,537.20x = 163,892,305.80 × 84,868,395.30
  4. Step 4: Simplify right side
    109,261,537.20x = 13,909,276,995,262,884
  5. Step 5: Solve for x
    x = 13,909,276,995,262,884/109,261,537.20
  6. Step 6: Final answer
    x = 127,302,592.95

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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.