Home / 210,308,165.48-315,180,260.80-163,677,954.46

Finding the Fourth Proportional to 210,308,165.48, 315,180,260.80 and 163,677,954.46

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Solution

The fourth proportional to 210,308,165.48, 315,180,260.80 and 163,677,954.46 is: 245,297,467.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,308,165.48 : 315,180,260.80 = 163,677,954.46 : x
  2. Step 2: Convert to fraction form
    210,308,165.48/315,180,260.80 = 163,677,954.46/x
  3. Step 3: Cross multiply
    210,308,165.48x = 315,180,260.80 × 163,677,954.46
  4. Step 4: Simplify right side
    210,308,165.48x = 51,588,060,373,913,328
  5. Step 5: Solve for x
    x = 51,588,060,373,913,328/210,308,165.48
  6. Step 6: Final answer
    x = 245,297,467.44

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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.