Home / 73,021,817.92-100,740,575.10-43,636,378.72

Finding the Fourth Proportional to 73,021,817.92, 100,740,575.10 and 43,636,378.72

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Solution

The fourth proportional to 73,021,817.92, 100,740,575.10 and 43,636,378.72 is: 60,200,553.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,021,817.92 : 100,740,575.10 = 43,636,378.72 : x
  2. Step 2: Convert to fraction form
    73,021,817.92/100,740,575.10 = 43,636,378.72/x
  3. Step 3: Cross multiply
    73,021,817.92x = 100,740,575.10 × 43,636,378.72
  4. Step 4: Simplify right side
    73,021,817.92x = 4,395,953,887,534,201.50
  5. Step 5: Solve for x
    x = 4,395,953,887,534,201.50/73,021,817.92
  6. Step 6: Final answer
    x = 60,200,553.93

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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.