Home / 108,533,372.55-149,788,989.50-62,138,529.51

Finding the Fourth Proportional to 108,533,372.55, 149,788,989.50 and 62,138,529.51

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Solution

The fourth proportional to 108,533,372.55, 149,788,989.50 and 62,138,529.51 is: 85,758,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,533,372.55 : 149,788,989.50 = 62,138,529.51 : x
  2. Step 2: Convert to fraction form
    108,533,372.55/149,788,989.50 = 62,138,529.51/x
  3. Step 3: Cross multiply
    108,533,372.55x = 149,788,989.50 × 62,138,529.51
  4. Step 4: Simplify right side
    108,533,372.55x = 9,307,667,544,008,138
  5. Step 5: Solve for x
    x = 9,307,667,544,008,138/108,533,372.55
  6. Step 6: Final answer
    x = 85,758,576.60

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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.