Home / 76,196,857.72-105,153,560.40-41,389,537.72

Finding the Fourth Proportional to 76,196,857.72, 105,153,560.40 and 41,389,537.72

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Solution

The fourth proportional to 76,196,857.72, 105,153,560.40 and 41,389,537.72 is: 57,118,592.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,196,857.72 : 105,153,560.40 = 41,389,537.72 : x
  2. Step 2: Convert to fraction form
    76,196,857.72/105,153,560.40 = 41,389,537.72/x
  3. Step 3: Cross multiply
    76,196,857.72x = 105,153,560.40 × 41,389,537.72
  4. Step 4: Simplify right side
    76,196,857.72x = 4,352,257,254,568,098.50
  5. Step 5: Solve for x
    x = 4,352,257,254,568,098.50/76,196,857.72
  6. Step 6: Final answer
    x = 57,118,592.35

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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.