Home / 82,596,030.80-123,782,440.41-31,450,148.96

Finding the Fourth Proportional to 82,596,030.80, 123,782,440.41 and 31,450,148.96

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Solution

The fourth proportional to 82,596,030.80, 123,782,440.41 and 31,450,148.96 is: 47,132,727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,596,030.80 : 123,782,440.41 = 31,450,148.96 : x
  2. Step 2: Convert to fraction form
    82,596,030.80/123,782,440.41 = 31,450,148.96/x
  3. Step 3: Cross multiply
    82,596,030.80x = 123,782,440.41 × 31,450,148.96
  4. Step 4: Simplify right side
    82,596,030.80x = 3,892,976,188,907,911
  5. Step 5: Solve for x
    x = 3,892,976,188,907,911/82,596,030.80
  6. Step 6: Final answer
    x = 47,132,727.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.