Home / 76,121,543.45-105,047,833.64-41,314,234.34

Finding the Fourth Proportional to 76,121,543.45, 105,047,833.64 and 41,314,234.34

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Solution

The fourth proportional to 76,121,543.45, 105,047,833.64 and 41,314,234.34 is: 57,013,699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,121,543.45 : 105,047,833.64 = 41,314,234.34 : x
  2. Step 2: Convert to fraction form
    76,121,543.45/105,047,833.64 = 41,314,234.34/x
  3. Step 3: Cross multiply
    76,121,543.45x = 105,047,833.64 × 41,314,234.34
  4. Step 4: Simplify right side
    76,121,543.45x = 4,339,970,815,180,485
  5. Step 5: Solve for x
    x = 4,339,970,815,180,485/76,121,543.45
  6. Step 6: Final answer
    x = 57,013,699.65

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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.