Home / 120,178,512.68-180,242,543.32-33,896,741.76

Finding the Fourth Proportional to 120,178,512.68, 180,242,543.32 and 33,896,741.76

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Solution

The fourth proportional to 120,178,512.68, 180,242,543.32 and 33,896,741.76 is: 50,837,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,178,512.68 : 180,242,543.32 = 33,896,741.76 : x
  2. Step 2: Convert to fraction form
    120,178,512.68/180,242,543.32 = 33,896,741.76/x
  3. Step 3: Cross multiply
    120,178,512.68x = 180,242,543.32 × 33,896,741.76
  4. Step 4: Simplify right side
    120,178,512.68x = 6,109,634,945,083,652
  5. Step 5: Solve for x
    x = 6,109,634,945,083,652/120,178,512.68
  6. Step 6: Final answer
    x = 50,837,997.65

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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.