Home / 171,071,999.70-256,607,999.55-49,915,698.90

Finding the Fourth Proportional to 171,071,999.70, 256,607,999.55 and 49,915,698.90

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Solution

The fourth proportional to 171,071,999.70, 256,607,999.55 and 49,915,698.90 is: 74,873,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,071,999.70 : 256,607,999.55 = 49,915,698.90 : x
  2. Step 2: Convert to fraction form
    171,071,999.70/256,607,999.55 = 49,915,698.90/x
  3. Step 3: Cross multiply
    171,071,999.70x = 256,607,999.55 × 49,915,698.90
  4. Step 4: Simplify right side
    171,071,999.70x = 12,808,767,640,869,136
  5. Step 5: Solve for x
    x = 12,808,767,640,869,136/171,071,999.70
  6. Step 6: Final answer
    x = 74,873,548.35

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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.