Home / 69,404,818.82-103,486,730.66-67,497,983.54

Finding the Fourth Proportional to 69,404,818.82, 103,486,730.66 and 67,497,983.54

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Solution

The fourth proportional to 69,404,818.82, 103,486,730.66 and 67,497,983.54 is: 100,643,525.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,404,818.82 : 103,486,730.66 = 67,497,983.54 : x
  2. Step 2: Convert to fraction form
    69,404,818.82/103,486,730.66 = 67,497,983.54/x
  3. Step 3: Cross multiply
    69,404,818.82x = 103,486,730.66 × 67,497,983.54
  4. Step 4: Simplify right side
    69,404,818.82x = 6,985,145,642,483,362
  5. Step 5: Solve for x
    x = 6,985,145,642,483,362/69,404,818.82
  6. Step 6: Final answer
    x = 100,643,525.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.