Home / 123,783,272.80-185,674,909.20-80,736,551.80

Finding the Fourth Proportional to 123,783,272.80, 185,674,909.20 and 80,736,551.80

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Solution

The fourth proportional to 123,783,272.80, 185,674,909.20 and 80,736,551.80 is: 121,104,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,783,272.80 : 185,674,909.20 = 80,736,551.80 : x
  2. Step 2: Convert to fraction form
    123,783,272.80/185,674,909.20 = 80,736,551.80/x
  3. Step 3: Cross multiply
    123,783,272.80x = 185,674,909.20 × 80,736,551.80
  4. Step 4: Simplify right side
    123,783,272.80x = 14,990,751,924,586,096
  5. Step 5: Solve for x
    x = 14,990,751,924,586,096/123,783,272.80
  6. Step 6: Final answer
    x = 121,104,827.70

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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.