Home / 132,533,504.14-198,733,731.45-77,219,243.50

Finding the Fourth Proportional to 132,533,504.14, 198,733,731.45 and 77,219,243.50

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Solution

The fourth proportional to 132,533,504.14, 198,733,731.45 and 77,219,243.50 is: 115,790,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,533,504.14 : 198,733,731.45 = 77,219,243.50 : x
  2. Step 2: Convert to fraction form
    132,533,504.14/198,733,731.45 = 77,219,243.50/x
  3. Step 3: Cross multiply
    132,533,504.14x = 198,733,731.45 × 77,219,243.50
  4. Step 4: Simplify right side
    132,533,504.14x = 15,346,068,400,501,158
  5. Step 5: Solve for x
    x = 15,346,068,400,501,158/132,533,504.14
  6. Step 6: Final answer
    x = 115,790,105.30

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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.