Home / 105,086,622.54-145,018,673.24-57,401,916.32

Finding the Fourth Proportional to 105,086,622.54, 145,018,673.24 and 57,401,916.32

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Solution

The fourth proportional to 105,086,622.54, 145,018,673.24 and 57,401,916.32 is: 79,214,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,086,622.54 : 145,018,673.24 = 57,401,916.32 : x
  2. Step 2: Convert to fraction form
    105,086,622.54/145,018,673.24 = 57,401,916.32/x
  3. Step 3: Cross multiply
    105,086,622.54x = 145,018,673.24 × 57,401,916.32
  4. Step 4: Simplify right side
    105,086,622.54x = 8,324,349,746,159,904
  5. Step 5: Solve for x
    x = 8,324,349,746,159,904/105,086,622.54
  6. Step 6: Final answer
    x = 79,214,171.56

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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.