Home / 112,347,232.80-168,520,849.20-74,083,480.80

Finding the Fourth Proportional to 112,347,232.80, 168,520,849.20 and 74,083,480.80

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Solution

The fourth proportional to 112,347,232.80, 168,520,849.20 and 74,083,480.80 is: 111,125,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,347,232.80 : 168,520,849.20 = 74,083,480.80 : x
  2. Step 2: Convert to fraction form
    112,347,232.80/168,520,849.20 = 74,083,480.80/x
  3. Step 3: Cross multiply
    112,347,232.80x = 168,520,849.20 × 74,083,480.80
  4. Step 4: Simplify right side
    112,347,232.80x = 12,484,611,096,107,894
  5. Step 5: Solve for x
    x = 12,484,611,096,107,894/112,347,232.80
  6. Step 6: Final answer
    x = 111,125,221.20

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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.