Home / 186,939,865.58-280,159,147.66-145,490,792.16

Finding the Fourth Proportional to 186,939,865.58, 280,159,147.66 and 145,490,792.16

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Solution

The fourth proportional to 186,939,865.58, 280,159,147.66 and 145,490,792.16 is: 218,041,112.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,939,865.58 : 280,159,147.66 = 145,490,792.16 : x
  2. Step 2: Convert to fraction form
    186,939,865.58/280,159,147.66 = 145,490,792.16/x
  3. Step 3: Cross multiply
    186,939,865.58x = 280,159,147.66 × 145,490,792.16
  4. Step 4: Simplify right side
    186,939,865.58x = 40,760,576,323,923,816
  5. Step 5: Solve for x
    x = 40,760,576,323,923,816/186,939,865.58
  6. Step 6: Final answer
    x = 218,041,112.83

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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.