Home / 275,208,427.56-379,782,717.72-149,756,345.16

Finding the Fourth Proportional to 275,208,427.56, 379,782,717.72 and 149,756,345.16

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Solution

The fourth proportional to 275,208,427.56, 379,782,717.72 and 149,756,345.16 is: 206,661,083.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,208,427.56 : 379,782,717.72 = 149,756,345.16 : x
  2. Step 2: Convert to fraction form
    275,208,427.56/379,782,717.72 = 149,756,345.16/x
  3. Step 3: Cross multiply
    275,208,427.56x = 379,782,717.72 × 149,756,345.16
  4. Step 4: Simplify right side
    275,208,427.56x = 56,874,871,760,679,168
  5. Step 5: Solve for x
    x = 56,874,871,760,679,168/275,208,427.56
  6. Step 6: Final answer
    x = 206,661,083.26

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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.