Home / 108,871,333.20-163,306,999.80-48,405,157.20

Finding the Fourth Proportional to 108,871,333.20, 163,306,999.80 and 48,405,157.20

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Solution

The fourth proportional to 108,871,333.20, 163,306,999.80 and 48,405,157.20 is: 72,607,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,871,333.20 : 163,306,999.80 = 48,405,157.20 : x
  2. Step 2: Convert to fraction form
    108,871,333.20/163,306,999.80 = 48,405,157.20/x
  3. Step 3: Cross multiply
    108,871,333.20x = 163,306,999.80 × 48,405,157.20
  4. Step 4: Simplify right side
    108,871,333.20x = 7,904,900,997,179,370
  5. Step 5: Solve for x
    x = 7,904,900,997,179,370/108,871,333.20
  6. Step 6: Final answer
    x = 72,607,735.80

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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.