Home / 109,037,489.80-163,396,802.40-92,775,395.20

Finding the Fourth Proportional to 109,037,489.80, 163,396,802.40 and 92,775,395.20

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Solution

The fourth proportional to 109,037,489.80, 163,396,802.40 and 92,775,395.20 is: 139,027,438.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,037,489.80 : 163,396,802.40 = 92,775,395.20 : x
  2. Step 2: Convert to fraction form
    109,037,489.80/163,396,802.40 = 92,775,395.20/x
  3. Step 3: Cross multiply
    109,037,489.80x = 163,396,802.40 × 92,775,395.20
  4. Step 4: Simplify right side
    109,037,489.80x = 15,159,202,917,076,310
  5. Step 5: Solve for x
    x = 15,159,202,917,076,310/109,037,489.80
  6. Step 6: Final answer
    x = 139,027,438.59

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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.