Home / 105,086,622.78-145,018,673.58-57,401,916.57

Finding the Fourth Proportional to 105,086,622.78, 145,018,673.58 and 57,401,916.57

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Solution

The fourth proportional to 105,086,622.78, 145,018,673.58 and 57,401,916.57 is: 79,214,171.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,086,622.78 : 145,018,673.58 = 57,401,916.57 : x
  2. Step 2: Convert to fraction form
    105,086,622.78/145,018,673.58 = 57,401,916.57/x
  3. Step 3: Cross multiply
    105,086,622.78x = 145,018,673.58 × 57,401,916.57
  4. Step 4: Simplify right side
    105,086,622.78x = 8,324,349,801,931,224
  5. Step 5: Solve for x
    x = 8,324,349,801,931,224/105,086,622.78
  6. Step 6: Final answer
    x = 79,214,171.91

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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.