Home / 255,652,990.28-352,801,277.65-142,622,482.52

Finding the Fourth Proportional to 255,652,990.28, 352,801,277.65 and 142,622,482.52

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Solution

The fourth proportional to 255,652,990.28, 352,801,277.65 and 142,622,482.52 is: 196,819,110.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,652,990.28 : 352,801,277.65 = 142,622,482.52 : x
  2. Step 2: Convert to fraction form
    255,652,990.28/352,801,277.65 = 142,622,482.52/x
  3. Step 3: Cross multiply
    255,652,990.28x = 352,801,277.65 × 142,622,482.52
  4. Step 4: Simplify right side
    255,652,990.28x = 50,317,394,052,938,984
  5. Step 5: Solve for x
    x = 50,317,394,052,938,984/255,652,990.28
  6. Step 6: Final answer
    x = 196,819,110.14

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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.