Home / 109,777,213.21-164,716,105.13-47,547,561.05

Finding the Fourth Proportional to 109,777,213.21, 164,716,105.13 and 47,547,561.05

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Solution

The fourth proportional to 109,777,213.21, 164,716,105.13 and 47,547,561.05 is: 71,343,121.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,777,213.21 : 164,716,105.13 = 47,547,561.05 : x
  2. Step 2: Convert to fraction form
    109,777,213.21/164,716,105.13 = 47,547,561.05/x
  3. Step 3: Cross multiply
    109,777,213.21x = 164,716,105.13 × 47,547,561.05
  4. Step 4: Simplify right side
    109,777,213.21x = 7,831,849,064,586,892
  5. Step 5: Solve for x
    x = 7,831,849,064,586,892/109,777,213.21
  6. Step 6: Final answer
    x = 71,343,121.54

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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.