Home / 147,241,021.33-203,201,700.29-81,161,370.55

Finding the Fourth Proportional to 147,241,021.33, 203,201,700.29 and 81,161,370.55

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Solution

The fourth proportional to 147,241,021.33, 203,201,700.29 and 81,161,370.55 is: 112,007,702.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,241,021.33 : 203,201,700.29 = 81,161,370.55 : x
  2. Step 2: Convert to fraction form
    147,241,021.33/203,201,700.29 = 81,161,370.55/x
  3. Step 3: Cross multiply
    147,241,021.33x = 203,201,700.29 × 81,161,370.55
  4. Step 4: Simplify right side
    147,241,021.33x = 16,492,128,493,626,732
  5. Step 5: Solve for x
    x = 16,492,128,493,626,732/147,241,021.33
  6. Step 6: Final answer
    x = 112,007,702.37

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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.