Home / 57,096,005.63-78,792,566.74-30,990,528.59

Finding the Fourth Proportional to 57,096,005.63, 78,792,566.74 and 30,990,528.59

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Solution

The fourth proportional to 57,096,005.63, 78,792,566.74 and 30,990,528.59 is: 42,766,972.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,096,005.63 : 78,792,566.74 = 30,990,528.59 : x
  2. Step 2: Convert to fraction form
    57,096,005.63/78,792,566.74 = 30,990,528.59/x
  3. Step 3: Cross multiply
    57,096,005.63x = 78,792,566.74 × 30,990,528.59
  4. Step 4: Simplify right side
    57,096,005.63x = 2,441,823,291,764,014
  5. Step 5: Solve for x
    x = 2,441,823,291,764,014/57,096,005.63
  6. Step 6: Final answer
    x = 42,766,972.31

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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.