Home / 189,208,440.30-261,068,650.08-108,724,882.23

Finding the Fourth Proportional to 189,208,440.30, 261,068,650.08 and 108,724,882.23

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Solution

The fourth proportional to 189,208,440.30, 261,068,650.08 and 108,724,882.23 is: 150,017,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,208,440.30 : 261,068,650.08 = 108,724,882.23 : x
  2. Step 2: Convert to fraction form
    189,208,440.30/261,068,650.08 = 108,724,882.23/x
  3. Step 3: Cross multiply
    189,208,440.30x = 261,068,650.08 × 108,724,882.23
  4. Step 4: Simplify right side
    189,208,440.30x = 28,384,658,234,892,588
  5. Step 5: Solve for x
    x = 28,384,658,234,892,588/189,208,440.30
  6. Step 6: Final answer
    x = 150,017,928.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.