Home / 127,892,246.40-192,037,435.20-74,144,534.40

Finding the Fourth Proportional to 127,892,246.40, 192,037,435.20 and 74,144,534.40

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Solution

The fourth proportional to 127,892,246.40, 192,037,435.20 and 74,144,534.40 is: 111,332,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,892,246.40 : 192,037,435.20 = 74,144,534.40 : x
  2. Step 2: Convert to fraction form
    127,892,246.40/192,037,435.20 = 74,144,534.40/x
  3. Step 3: Cross multiply
    127,892,246.40x = 192,037,435.20 × 74,144,534.40
  4. Step 4: Simplify right side
    127,892,246.40x = 14,238,526,220,274,172
  5. Step 5: Solve for x
    x = 14,238,526,220,274,172/127,892,246.40
  6. Step 6: Final answer
    x = 111,332,208.33

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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.