Home / 57,095,952.03-78,792,493.50-30,990,475.80

Finding the Fourth Proportional to 57,095,952.03, 78,792,493.50 and 30,990,475.80

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Solution

The fourth proportional to 57,095,952.03, 78,792,493.50 and 30,990,475.80 is: 42,766,899.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,095,952.03 : 78,792,493.50 = 30,990,475.80 : x
  2. Step 2: Convert to fraction form
    57,095,952.03/78,792,493.50 = 30,990,475.80/x
  3. Step 3: Cross multiply
    57,095,952.03x = 78,792,493.50 × 30,990,475.80
  4. Step 4: Simplify right side
    57,095,952.03x = 2,441,816,863,033,407.50
  5. Step 5: Solve for x
    x = 2,441,816,863,033,407.50/57,095,952.03
  6. Step 6: Final answer
    x = 42,766,899.86

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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.