Home / 69,370,718.37-95,723,867.73-38,423,137.47

Finding the Fourth Proportional to 69,370,718.37, 95,723,867.73 and 38,423,137.47

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Solution

The fourth proportional to 69,370,718.37, 95,723,867.73 and 38,423,137.47 is: 53,019,651.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,370,718.37 : 95,723,867.73 = 38,423,137.47 : x
  2. Step 2: Convert to fraction form
    69,370,718.37/95,723,867.73 = 38,423,137.47/x
  3. Step 3: Cross multiply
    69,370,718.37x = 95,723,867.73 × 38,423,137.47
  4. Step 4: Simplify right side
    69,370,718.37x = 3,678,011,328,949,887
  5. Step 5: Solve for x
    x = 3,678,011,328,949,887/69,370,718.37
  6. Step 6: Final answer
    x = 53,019,651.74

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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.