Home / 186,147,954.59-278,858,682.66-145,014,794.80

Finding the Fourth Proportional to 186,147,954.59, 278,858,682.66 and 145,014,794.80

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Solution

The fourth proportional to 186,147,954.59, 278,858,682.66 and 145,014,794.80 is: 217,239,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,147,954.59 : 278,858,682.66 = 145,014,794.80 : x
  2. Step 2: Convert to fraction form
    186,147,954.59/278,858,682.66 = 145,014,794.80/x
  3. Step 3: Cross multiply
    186,147,954.59x = 278,858,682.66 × 145,014,794.80
  4. Step 4: Simplify right side
    186,147,954.59x = 40,438,634,643,984,880
  5. Step 5: Solve for x
    x = 40,438,634,643,984,880/186,147,954.59
  6. Step 6: Final answer
    x = 217,239,210.25

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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.