Home / 111,380,633.43-153,702,957.83-61,818,099.50

Finding the Fourth Proportional to 111,380,633.43, 153,702,957.83 and 61,818,099.50

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Solution

The fourth proportional to 111,380,633.43, 153,702,957.83 and 61,818,099.50 is: 85,307,691.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,380,633.43 : 153,702,957.83 = 61,818,099.50 : x
  2. Step 2: Convert to fraction form
    111,380,633.43/153,702,957.83 = 61,818,099.50/x
  3. Step 3: Cross multiply
    111,380,633.43x = 153,702,957.83 × 61,818,099.50
  4. Step 4: Simplify right side
    111,380,633.43x = 9,501,624,739,501,638
  5. Step 5: Solve for x
    x = 9,501,624,739,501,638/111,380,633.43
  6. Step 6: Final answer
    x = 85,307,691.71

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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.