Home / 430,254,211.06-645,494,100.53-135,137,410.27

Finding the Fourth Proportional to 430,254,211.06, 645,494,100.53 and 135,137,410.27

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Solution

The fourth proportional to 430,254,211.06, 645,494,100.53 and 135,137,410.27 is: 202,741,539.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,254,211.06 : 645,494,100.53 = 135,137,410.27 : x
  2. Step 2: Convert to fraction form
    430,254,211.06/645,494,100.53 = 135,137,410.27/x
  3. Step 3: Cross multiply
    430,254,211.06x = 645,494,100.53 × 135,137,410.27
  4. Step 4: Simplify right side
    430,254,211.06x = 87,230,401,087,897,824
  5. Step 5: Solve for x
    x = 87,230,401,087,897,824/430,254,211.06
  6. Step 6: Final answer
    x = 202,741,539.41

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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.