Home / 75,873,063.69-104,693,683.85-42,378,415.41

Finding the Fourth Proportional to 75,873,063.69, 104,693,683.85 and 42,378,415.41

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Solution

The fourth proportional to 75,873,063.69, 104,693,683.85 and 42,378,415.41 is: 58,475,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,873,063.69 : 104,693,683.85 = 42,378,415.41 : x
  2. Step 2: Convert to fraction form
    75,873,063.69/104,693,683.85 = 42,378,415.41/x
  3. Step 3: Cross multiply
    75,873,063.69x = 104,693,683.85 × 42,378,415.41
  4. Step 4: Simplify right side
    75,873,063.69x = 4,436,752,425,338,136.50
  5. Step 5: Solve for x
    x = 4,436,752,425,338,136.50/75,873,063.69
  6. Step 6: Final answer
    x = 58,475,988.84

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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.