Home / 210,308,315.24-315,180,485.63-163,678,104.23

Finding the Fourth Proportional to 210,308,315.24, 315,180,485.63 and 163,678,104.23

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Solution

The fourth proportional to 210,308,315.24, 315,180,485.63 and 163,678,104.23 is: 245,297,692.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,308,315.24 : 315,180,485.63 = 163,678,104.23 : x
  2. Step 2: Convert to fraction form
    210,308,315.24/315,180,485.63 = 163,678,104.23/x
  3. Step 3: Cross multiply
    210,308,315.24x = 315,180,485.63 × 163,678,104.23
  4. Step 4: Simplify right side
    210,308,315.24x = 51,588,144,375,814,864
  5. Step 5: Solve for x
    x = 51,588,144,375,814,864/210,308,315.24
  6. Step 6: Final answer
    x = 245,297,692.19

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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.