Home / 80,116,903.13-120,171,743.41-33,411,156.17

Finding the Fourth Proportional to 80,116,903.13, 120,171,743.41 and 33,411,156.17

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Solution

The fourth proportional to 80,116,903.13, 120,171,743.41 and 33,411,156.17 is: 50,115,228.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,116,903.13 : 120,171,743.41 = 33,411,156.17 : x
  2. Step 2: Convert to fraction form
    80,116,903.13/120,171,743.41 = 33,411,156.17/x
  3. Step 3: Cross multiply
    80,116,903.13x = 120,171,743.41 × 33,411,156.17
  4. Step 4: Simplify right side
    80,116,903.13x = 4,015,076,886,292,678.50
  5. Step 5: Solve for x
    x = 4,015,076,886,292,678.50/80,116,903.13
  6. Step 6: Final answer
    x = 50,115,228.24

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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.