Home / 307,874,421.96-424,705,623.28-190,362,188.04

Finding the Fourth Proportional to 307,874,421.96, 424,705,623.28 and 190,362,188.04

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Solution

The fourth proportional to 307,874,421.96, 424,705,623.28 and 190,362,188.04 is: 262,600,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,874,421.96 : 424,705,623.28 = 190,362,188.04 : x
  2. Step 2: Convert to fraction form
    307,874,421.96/424,705,623.28 = 190,362,188.04/x
  3. Step 3: Cross multiply
    307,874,421.96x = 424,705,623.28 × 190,362,188.04
  4. Step 4: Simplify right side
    307,874,421.96x = 80,847,891,720,472,752
  5. Step 5: Solve for x
    x = 80,847,891,720,472,752/307,874,421.96
  6. Step 6: Final answer
    x = 262,600,222.54

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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.