Home / 76,366,620.44-105,408,143.20-49,908,954.38

Finding the Fourth Proportional to 76,366,620.44, 105,408,143.20 and 49,908,954.38

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Solution

The fourth proportional to 76,366,620.44, 105,408,143.20 and 49,908,954.38 is: 68,888,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,366,620.44 : 105,408,143.20 = 49,908,954.38 : x
  2. Step 2: Convert to fraction form
    76,366,620.44/105,408,143.20 = 49,908,954.38/x
  3. Step 3: Cross multiply
    76,366,620.44x = 105,408,143.20 × 49,908,954.38
  4. Step 4: Simplify right side
    76,366,620.44x = 5,260,810,210,249,308
  5. Step 5: Solve for x
    x = 5,260,810,210,249,308/76,366,620.44
  6. Step 6: Final answer
    x = 68,888,870.29

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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.