Home / 61,257,478.50-91,900,511.62-20,313,922.50

Finding the Fourth Proportional to 61,257,478.50, 91,900,511.62 and 20,313,922.50

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Solution

The fourth proportional to 61,257,478.50, 91,900,511.62 and 20,313,922.50 is: 30,475,623.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,257,478.50 : 91,900,511.62 = 20,313,922.50 : x
  2. Step 2: Convert to fraction form
    61,257,478.50/91,900,511.62 = 20,313,922.50/x
  3. Step 3: Cross multiply
    61,257,478.50x = 91,900,511.62 × 20,313,922.50
  4. Step 4: Simplify right side
    61,257,478.50x = 1,866,859,870,759,029.50
  5. Step 5: Solve for x
    x = 1,866,859,870,759,029.50/61,257,478.50
  6. Step 6: Final answer
    x = 30,475,623.82

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1.5x scale

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.