Home / 108,871,927.20-163,307,890.80-48,405,751.20

Finding the Fourth Proportional to 108,871,927.20, 163,307,890.80 and 48,405,751.20

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Solution

The fourth proportional to 108,871,927.20, 163,307,890.80 and 48,405,751.20 is: 72,608,626.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,871,927.20 : 163,307,890.80 = 48,405,751.20 : x
  2. Step 2: Convert to fraction form
    108,871,927.20/163,307,890.80 = 48,405,751.20/x
  3. Step 3: Cross multiply
    108,871,927.20x = 163,307,890.80 × 48,405,751.20
  4. Step 4: Simplify right side
    108,871,927.20x = 7,905,041,131,061,570
  5. Step 5: Solve for x
    x = 7,905,041,131,061,570/108,871,927.20
  6. Step 6: Final answer
    x = 72,608,626.80

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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.