Home / 108,935,999.55-163,403,999.33-100,621,900.35

Finding the Fourth Proportional to 108,935,999.55, 163,403,999.33 and 100,621,900.35

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Solution

The fourth proportional to 108,935,999.55, 163,403,999.33 and 100,621,900.35 is: 150,932,850.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,935,999.55 : 163,403,999.33 = 100,621,900.35 : x
  2. Step 2: Convert to fraction form
    108,935,999.55/163,403,999.33 = 100,621,900.35/x
  3. Step 3: Cross multiply
    108,935,999.55x = 163,403,999.33 × 100,621,900.35
  4. Step 4: Simplify right side
    108,935,999.55x = 16,442,020,936,871,616
  5. Step 5: Solve for x
    x = 16,442,020,936,871,616/108,935,999.55
  6. Step 6: Final answer
    x = 150,932,850.53

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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.