Home / 56,882,951.37-78,497,914.04-30,776,896.40

Finding the Fourth Proportional to 56,882,951.37, 78,497,914.04 and 30,776,896.40

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Solution

The fourth proportional to 56,882,951.37, 78,497,914.04 and 30,776,896.40 is: 42,471,814.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,882,951.37 : 78,497,914.04 = 30,776,896.40 : x
  2. Step 2: Convert to fraction form
    56,882,951.37/78,497,914.04 = 30,776,896.40/x
  3. Step 3: Cross multiply
    56,882,951.37x = 78,497,914.04 × 30,776,896.40
  4. Step 4: Simplify right side
    56,882,951.37x = 2,415,922,168,004,005.50
  5. Step 5: Solve for x
    x = 2,415,922,168,004,005.50/56,882,951.37
  6. Step 6: Final answer
    x = 42,471,814.66

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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.