Home / 56,925,711.92-78,557,369.64-30,820,222.64

Finding the Fourth Proportional to 56,925,711.92, 78,557,369.64 and 30,820,222.64

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Solution

The fourth proportional to 56,925,711.92, 78,557,369.64 and 30,820,222.64 is: 42,531,846.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,925,711.92 : 78,557,369.64 = 30,820,222.64 : x
  2. Step 2: Convert to fraction form
    56,925,711.92/78,557,369.64 = 30,820,222.64/x
  3. Step 3: Cross multiply
    56,925,711.92x = 78,557,369.64 × 30,820,222.64
  4. Step 4: Simplify right side
    56,925,711.92x = 2,421,155,622,317,576.50
  5. Step 5: Solve for x
    x = 2,421,155,622,317,576.50/56,925,711.92
  6. Step 6: Final answer
    x = 42,531,846.17

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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.