Home / 112,194,664.10-168,291,996.15-100,101,428.90

Finding the Fourth Proportional to 112,194,664.10, 168,291,996.15 and 100,101,428.90

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Solution

The fourth proportional to 112,194,664.10, 168,291,996.15 and 100,101,428.90 is: 150,152,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,194,664.10 : 168,291,996.15 = 100,101,428.90 : x
  2. Step 2: Convert to fraction form
    112,194,664.10/168,291,996.15 = 100,101,428.90/x
  3. Step 3: Cross multiply
    112,194,664.10x = 168,291,996.15 × 100,101,428.90
  4. Step 4: Simplify right side
    112,194,664.10x = 16,846,269,287,048,300
  5. Step 5: Solve for x
    x = 16,846,269,287,048,300/112,194,664.10
  6. Step 6: Final answer
    x = 150,152,143.35

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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.