Home / 73,021,813.92-100,740,569.58-43,636,374.72

Finding the Fourth Proportional to 73,021,813.92, 100,740,569.58 and 43,636,374.72

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Solution

The fourth proportional to 73,021,813.92, 100,740,569.58 and 43,636,374.72 is: 60,200,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,021,813.92 : 100,740,569.58 = 43,636,374.72 : x
  2. Step 2: Convert to fraction form
    73,021,813.92/100,740,569.58 = 43,636,374.72/x
  3. Step 3: Cross multiply
    73,021,813.92x = 100,740,569.58 × 43,636,374.72
  4. Step 4: Simplify right side
    73,021,813.92x = 4,395,953,243,699,113
  5. Step 5: Solve for x
    x = 4,395,953,243,699,113/73,021,813.92
  6. Step 6: Final answer
    x = 60,200,548.41

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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.