Home / 260,636,687.37-390,765,477.59-122,391,057.85

Finding the Fourth Proportional to 260,636,687.37, 390,765,477.59 and 122,391,057.85

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Solution

The fourth proportional to 260,636,687.37, 390,765,477.59 and 122,391,057.85 is: 183,497,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,636,687.37 : 390,765,477.59 = 122,391,057.85 : x
  2. Step 2: Convert to fraction form
    260,636,687.37/390,765,477.59 = 122,391,057.85/x
  3. Step 3: Cross multiply
    260,636,687.37x = 390,765,477.59 × 122,391,057.85
  4. Step 4: Simplify right side
    260,636,687.37x = 47,826,200,173,500,560
  5. Step 5: Solve for x
    x = 47,826,200,173,500,560/260,636,687.37
  6. Step 6: Final answer
    x = 183,497,575.33

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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.