Home / 108,372,438.48-149,555,059.38-58,813,239.72

Finding the Fourth Proportional to 108,372,438.48, 149,555,059.38 and 58,813,239.72

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Solution

The fourth proportional to 108,372,438.48, 149,555,059.38 and 58,813,239.72 is: 81,162,864.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,372,438.48 : 149,555,059.38 = 58,813,239.72 : x
  2. Step 2: Convert to fraction form
    108,372,438.48/149,555,059.38 = 58,813,239.72/x
  3. Step 3: Cross multiply
    108,372,438.48x = 149,555,059.38 × 58,813,239.72
  4. Step 4: Simplify right side
    108,372,438.48x = 8,795,817,558,654,774
  5. Step 5: Solve for x
    x = 8,795,817,558,654,774/108,372,438.48
  6. Step 6: Final answer
    x = 81,162,864.67

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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.