Home / 56,882,950.78-78,497,913.22-30,776,895.81

Finding the Fourth Proportional to 56,882,950.78, 78,497,913.22 and 30,776,895.81

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Solution

The fourth proportional to 56,882,950.78, 78,497,913.22 and 30,776,895.81 is: 42,471,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,882,950.78 : 78,497,913.22 = 30,776,895.81 : x
  2. Step 2: Convert to fraction form
    56,882,950.78/78,497,913.22 = 30,776,895.81/x
  3. Step 3: Cross multiply
    56,882,950.78x = 78,497,913.22 × 30,776,895.81
  4. Step 4: Simplify right side
    56,882,950.78x = 2,415,922,096,474,361.50
  5. Step 5: Solve for x
    x = 2,415,922,096,474,361.50/56,882,950.78
  6. Step 6: Final answer
    x = 42,471,813.84

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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.