Home / 123,020,713.65-184,405,099.28-71,876,406.45

Finding the Fourth Proportional to 123,020,713.65, 184,405,099.28 and 71,876,406.45

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Solution

The fourth proportional to 123,020,713.65, 184,405,099.28 and 71,876,406.45 is: 107,741,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,020,713.65 : 184,405,099.28 = 71,876,406.45 : x
  2. Step 2: Convert to fraction form
    123,020,713.65/184,405,099.28 = 71,876,406.45/x
  3. Step 3: Cross multiply
    123,020,713.65x = 184,405,099.28 × 71,876,406.45
  4. Step 4: Simplify right side
    123,020,713.65x = 13,254,375,866,942,502
  5. Step 5: Solve for x
    x = 13,254,375,866,942,502/123,020,713.65
  6. Step 6: Final answer
    x = 107,741,009.41

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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.