Home / 69,356,497.52-103,959,655.32-45,112,749.68

Finding the Fourth Proportional to 69,356,497.52, 103,959,655.32 and 45,112,749.68

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Solution

The fourth proportional to 69,356,497.52, 103,959,655.32 and 45,112,749.68 is: 67,620,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,356,497.52 : 103,959,655.32 = 45,112,749.68 : x
  2. Step 2: Convert to fraction form
    69,356,497.52/103,959,655.32 = 45,112,749.68/x
  3. Step 3: Cross multiply
    69,356,497.52x = 103,959,655.32 × 45,112,749.68
  4. Step 4: Simplify right side
    69,356,497.52x = 4,689,905,907,270,240
  5. Step 5: Solve for x
    x = 4,689,905,907,270,240/69,356,497.52
  6. Step 6: Final answer
    x = 67,620,281.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.