Home / 307,874,355.22-424,705,531.53-190,362,121.30

Finding the Fourth Proportional to 307,874,355.22, 424,705,531.53 and 190,362,121.30

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Solution

The fourth proportional to 307,874,355.22, 424,705,531.53 and 190,362,121.30 is: 262,600,130.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,874,355.22 : 424,705,531.53 = 190,362,121.30 : x
  2. Step 2: Convert to fraction form
    307,874,355.22/424,705,531.53 = 190,362,121.30/x
  3. Step 3: Cross multiply
    307,874,355.22x = 424,705,531.53 × 190,362,121.30
  4. Step 4: Simplify right side
    307,874,355.22x = 80,847,845,909,894,832
  5. Step 5: Solve for x
    x = 80,847,845,909,894,832/307,874,355.22
  6. Step 6: Final answer
    x = 262,600,130.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.