Home / 171,334,257.92-257,095,683.84-74,290,711.04

Finding the Fourth Proportional to 171,334,257.92, 257,095,683.84 and 74,290,711.04

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Solution

The fourth proportional to 171,334,257.92, 257,095,683.84 and 74,290,711.04 is: 111,476,953.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,334,257.92 : 257,095,683.84 = 74,290,711.04 : x
  2. Step 2: Convert to fraction form
    171,334,257.92/257,095,683.84 = 74,290,711.04/x
  3. Step 3: Cross multiply
    171,334,257.92x = 257,095,683.84 × 74,290,711.04
  4. Step 4: Simplify right side
    171,334,257.92x = 19,099,821,157,788,640
  5. Step 5: Solve for x
    x = 19,099,821,157,788,640/171,334,257.92
  6. Step 6: Final answer
    x = 111,476,953.82

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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.