Home / 93,359,691.71-128,847,672.05-53,135,467.51

Finding the Fourth Proportional to 93,359,691.71, 128,847,672.05 and 53,135,467.51

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Solution

The fourth proportional to 93,359,691.71, 128,847,672.05 and 53,135,467.51 is: 73,333,375.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,359,691.71 : 128,847,672.05 = 53,135,467.51 : x
  2. Step 2: Convert to fraction form
    93,359,691.71/128,847,672.05 = 53,135,467.51/x
  3. Step 3: Cross multiply
    93,359,691.71x = 128,847,672.05 × 53,135,467.51
  4. Step 4: Simplify right side
    93,359,691.71x = 6,846,381,291,951,910
  5. Step 5: Solve for x
    x = 6,846,381,291,951,910/93,359,691.71
  6. Step 6: Final answer
    x = 73,333,375.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.