Home / 88,089,176.40-132,133,764.60-81,286,731.60

Finding the Fourth Proportional to 88,089,176.40, 132,133,764.60 and 81,286,731.60

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Solution

The fourth proportional to 88,089,176.40, 132,133,764.60 and 81,286,731.60 is: 121,930,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,089,176.40 : 132,133,764.60 = 81,286,731.60 : x
  2. Step 2: Convert to fraction form
    88,089,176.40/132,133,764.60 = 81,286,731.60/x
  3. Step 3: Cross multiply
    88,089,176.40x = 132,133,764.60 × 81,286,731.60
  4. Step 4: Simplify right side
    88,089,176.40x = 10,740,721,858,337,780
  5. Step 5: Solve for x
    x = 10,740,721,858,337,780/88,089,176.40
  6. Step 6: Final answer
    x = 121,930,097.40

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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.