Home / 85,440,834.96-117,905,916.32-50,158,072.71

Finding the Fourth Proportional to 85,440,834.96, 117,905,916.32 and 50,158,072.71

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Solution

The fourth proportional to 85,440,834.96, 117,905,916.32 and 50,158,072.71 is: 69,216,710.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,440,834.96 : 117,905,916.32 = 50,158,072.71 : x
  2. Step 2: Convert to fraction form
    85,440,834.96/117,905,916.32 = 50,158,072.71/x
  3. Step 3: Cross multiply
    85,440,834.96x = 117,905,916.32 × 50,158,072.71
  4. Step 4: Simplify right side
    85,440,834.96x = 5,913,933,523,717,735
  5. Step 5: Solve for x
    x = 5,913,933,523,717,735/85,440,834.96
  6. Step 6: Final answer
    x = 69,216,710.33

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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.