Home / 75,945,975.74-104,805,949.74-41,138,666.18

Finding the Fourth Proportional to 75,945,975.74, 104,805,949.74 and 41,138,666.18

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Solution

The fourth proportional to 75,945,975.74, 104,805,949.74 and 41,138,666.18 is: 56,771,631.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,945,975.74 : 104,805,949.74 = 41,138,666.18 : x
  2. Step 2: Convert to fraction form
    75,945,975.74/104,805,949.74 = 41,138,666.18/x
  3. Step 3: Cross multiply
    75,945,975.74x = 104,805,949.74 × 41,138,666.18
  4. Step 4: Simplify right side
    75,945,975.74x = 4,311,576,980,031,717.50
  5. Step 5: Solve for x
    x = 4,311,576,980,031,717.50/75,945,975.74
  6. Step 6: Final answer
    x = 56,771,631.91

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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.