Home / 123,020,733.40-184,405,128.90-71,876,426.20

Finding the Fourth Proportional to 123,020,733.40, 184,405,128.90 and 71,876,426.20

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Solution

The fourth proportional to 123,020,733.40, 184,405,128.90 and 71,876,426.20 is: 107,741,039.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,020,733.40 : 184,405,128.90 = 71,876,426.20 : x
  2. Step 2: Convert to fraction form
    123,020,733.40/184,405,128.90 = 71,876,426.20/x
  3. Step 3: Cross multiply
    123,020,733.40x = 184,405,128.90 × 71,876,426.20
  4. Step 4: Simplify right side
    123,020,733.40x = 13,254,381,638,282,338
  5. Step 5: Solve for x
    x = 13,254,381,638,282,338/123,020,733.40
  6. Step 6: Final answer
    x = 107,741,039.03

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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.