Home / 71,157,081.34-98,196,856.25-38,562,033.34

Finding the Fourth Proportional to 71,157,081.34, 98,196,856.25 and 38,562,033.34

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Solution

The fourth proportional to 71,157,081.34, 98,196,856.25 and 38,562,033.34 is: 53,215,651.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,157,081.34 : 98,196,856.25 = 38,562,033.34 : x
  2. Step 2: Convert to fraction form
    71,157,081.34/98,196,856.25 = 38,562,033.34/x
  3. Step 3: Cross multiply
    71,157,081.34x = 98,196,856.25 × 38,562,033.34
  4. Step 4: Simplify right side
    71,157,081.34x = 3,786,670,444,595,687.50
  5. Step 5: Solve for x
    x = 3,786,670,444,595,687.50/71,157,081.34
  6. Step 6: Final answer
    x = 53,215,651.53

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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.