Home / 108,871,213.80-163,306,820.70-28,092,181.80

Finding the Fourth Proportional to 108,871,213.80, 163,306,820.70 and 28,092,181.80

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Solution

The fourth proportional to 108,871,213.80, 163,306,820.70 and 28,092,181.80 is: 42,138,272.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,871,213.80 : 163,306,820.70 = 28,092,181.80 : x
  2. Step 2: Convert to fraction form
    108,871,213.80/163,306,820.70 = 28,092,181.80/x
  3. Step 3: Cross multiply
    108,871,213.80x = 163,306,820.70 × 28,092,181.80
  4. Step 4: Simplify right side
    108,871,213.80x = 4,587,644,896,284,403
  5. Step 5: Solve for x
    x = 4,587,644,896,284,403/108,871,213.80
  6. Step 6: Final answer
    x = 42,138,272.70

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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.