Home / 260,130,517.36-358,947,120.32-142,624,926.56

Finding the Fourth Proportional to 260,130,517.36, 358,947,120.32 and 142,624,926.56

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Solution

The fourth proportional to 260,130,517.36, 358,947,120.32 and 142,624,926.56 is: 196,804,308.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,130,517.36 : 358,947,120.32 = 142,624,926.56 : x
  2. Step 2: Convert to fraction form
    260,130,517.36/358,947,120.32 = 142,624,926.56/x
  3. Step 3: Cross multiply
    260,130,517.36x = 358,947,120.32 × 142,624,926.56
  4. Step 4: Simplify right side
    260,130,517.36x = 51,194,806,674,563,480
  5. Step 5: Solve for x
    x = 51,194,806,674,563,480/260,130,517.36
  6. Step 6: Final answer
    x = 196,804,308.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.