Home / 90,991,281.75-136,486,922.63-30,407,007.75

Finding the Fourth Proportional to 90,991,281.75, 136,486,922.63 and 30,407,007.75

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Solution

The fourth proportional to 90,991,281.75, 136,486,922.63 and 30,407,007.75 is: 45,610,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,991,281.75 : 136,486,922.63 = 30,407,007.75 : x
  2. Step 2: Convert to fraction form
    90,991,281.75/136,486,922.63 = 30,407,007.75/x
  3. Step 3: Cross multiply
    90,991,281.75x = 136,486,922.63 × 30,407,007.75
  4. Step 4: Simplify right side
    90,991,281.75x = 4,150,158,914,032,025.50
  5. Step 5: Solve for x
    x = 4,150,158,914,032,025.50/90,991,281.75
  6. Step 6: Final answer
    x = 45,610,511.63

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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.