Home / 93,188,140.78-128,600,023.94-51,371,288.14

Finding the Fourth Proportional to 93,188,140.78, 128,600,023.94 and 51,371,288.14

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Solution

The fourth proportional to 93,188,140.78, 128,600,023.94 and 51,371,288.14 is: 70,892,592.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,188,140.78 : 128,600,023.94 = 51,371,288.14 : x
  2. Step 2: Convert to fraction form
    93,188,140.78/128,600,023.94 = 51,371,288.14/x
  3. Step 3: Cross multiply
    93,188,140.78x = 128,600,023.94 × 51,371,288.14
  4. Step 4: Simplify right side
    93,188,140.78x = 6,606,348,884,632,638
  5. Step 5: Solve for x
    x = 6,606,348,884,632,638/93,188,140.78
  6. Step 6: Final answer
    x = 70,892,592.44

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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.