Home / 78,336,050.24-117,524,007.84-46,015,287.68

Finding the Fourth Proportional to 78,336,050.24, 117,524,007.84 and 46,015,287.68

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Solution

The fourth proportional to 78,336,050.24, 117,524,007.84 and 46,015,287.68 is: 69,034,640.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,336,050.24 : 117,524,007.84 = 46,015,287.68 : x
  2. Step 2: Convert to fraction form
    78,336,050.24/117,524,007.84 = 46,015,287.68/x
  3. Step 3: Cross multiply
    78,336,050.24x = 117,524,007.84 × 46,015,287.68
  4. Step 4: Simplify right side
    78,336,050.24x = 5,407,901,030,064,176
  5. Step 5: Solve for x
    x = 5,407,901,030,064,176/78,336,050.24
  6. Step 6: Final answer
    x = 69,034,640.03

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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.