Home / 142,436,716.40-213,655,074.60-132,881,567.60

Finding the Fourth Proportional to 142,436,716.40, 213,655,074.60 and 132,881,567.60

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Solution

The fourth proportional to 142,436,716.40, 213,655,074.60 and 132,881,567.60 is: 199,322,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,436,716.40 : 213,655,074.60 = 132,881,567.60 : x
  2. Step 2: Convert to fraction form
    142,436,716.40/213,655,074.60 = 132,881,567.60/x
  3. Step 3: Cross multiply
    142,436,716.40x = 213,655,074.60 × 132,881,567.60
  4. Step 4: Simplify right side
    142,436,716.40x = 28,390,821,238,542,940
  5. Step 5: Solve for x
    x = 28,390,821,238,542,940/142,436,716.40
  6. Step 6: Final answer
    x = 199,322,351.40

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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.