Home / 132,893,815.40-199,378,047.90-64,738,730.60

Finding the Fourth Proportional to 132,893,815.40, 199,378,047.90 and 64,738,730.60

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Solution

The fourth proportional to 132,893,815.40, 199,378,047.90 and 64,738,730.60 is: 97,126,278.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,893,815.40 : 199,378,047.90 = 64,738,730.60 : x
  2. Step 2: Convert to fraction form
    132,893,815.40/199,378,047.90 = 64,738,730.60/x
  3. Step 3: Cross multiply
    132,893,815.40x = 199,378,047.90 × 64,738,730.60
  4. Step 4: Simplify right side
    132,893,815.40x = 12,907,481,730,551,996
  5. Step 5: Solve for x
    x = 12,907,481,730,551,996/132,893,815.40
  6. Step 6: Final answer
    x = 97,126,278.54

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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.