Home / 88,571,913.60-132,857,870.40-74,463,139.20

Finding the Fourth Proportional to 88,571,913.60, 132,857,870.40 and 74,463,139.20

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Solution

The fourth proportional to 88,571,913.60, 132,857,870.40 and 74,463,139.20 is: 111,694,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,571,913.60 : 132,857,870.40 = 74,463,139.20 : x
  2. Step 2: Convert to fraction form
    88,571,913.60/132,857,870.40 = 74,463,139.20/x
  3. Step 3: Cross multiply
    88,571,913.60x = 132,857,870.40 × 74,463,139.20
  4. Step 4: Simplify right side
    88,571,913.60x = 9,893,014,097,410,760
  5. Step 5: Solve for x
    x = 9,893,014,097,410,760/88,571,913.60
  6. Step 6: Final answer
    x = 111,694,708.80

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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.