Home / 75,389,328-104,025,940.20-42,343,246.44

Finding the Fourth Proportional to 75,389,328, 104,025,940.20 and 42,343,246.44

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Solution

The fourth proportional to 75,389,328, 104,025,940.20 and 42,343,246.44 is: 58,427,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,389,328 : 104,025,940.20 = 42,343,246.44 : x
  2. Step 2: Convert to fraction form
    75,389,328/104,025,940.20 = 42,343,246.44/x
  3. Step 3: Cross multiply
    75,389,328x = 104,025,940.20 × 42,343,246.44
  4. Step 4: Simplify right side
    75,389,328x = 4,404,796,022,041,303
  5. Step 5: Solve for x
    x = 4,404,796,022,041,303/75,389,328
  6. Step 6: Final answer
    x = 58,427,315.10

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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.