Home / 186,624,004.40-279,936,006.60-129,100,266.80

Finding the Fourth Proportional to 186,624,004.40, 279,936,006.60 and 129,100,266.80

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Solution

The fourth proportional to 186,624,004.40, 279,936,006.60 and 129,100,266.80 is: 193,650,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,004.40 : 279,936,006.60 = 129,100,266.80 : x
  2. Step 2: Convert to fraction form
    186,624,004.40/279,936,006.60 = 129,100,266.80/x
  3. Step 3: Cross multiply
    186,624,004.40x = 279,936,006.60 × 129,100,266.80
  4. Step 4: Simplify right side
    186,624,004.40x = 36,139,813,138,986,560
  5. Step 5: Solve for x
    x = 36,139,813,138,986,560/186,624,004.40
  6. Step 6: Final answer
    x = 193,650,400.20

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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.