Home / 91,094,859.31-125,710,525.09-49,278,820.61

Finding the Fourth Proportional to 91,094,859.31, 125,710,525.09 and 49,278,820.61

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Solution

The fourth proportional to 91,094,859.31, 125,710,525.09 and 49,278,820.61 is: 68,004,566.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,094,859.31 : 125,710,525.09 = 49,278,820.61 : x
  2. Step 2: Convert to fraction form
    91,094,859.31/125,710,525.09 = 49,278,820.61/x
  3. Step 3: Cross multiply
    91,094,859.31x = 125,710,525.09 × 49,278,820.61
  4. Step 4: Simplify right side
    91,094,859.31x = 6,194,866,415,251,639
  5. Step 5: Solve for x
    x = 6,194,866,415,251,639/91,094,859.31
  6. Step 6: Final answer
    x = 68,004,566.48

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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.