Home / 149,465,416.20-224,233,553.70-76,693,428.60

Finding the Fourth Proportional to 149,465,416.20, 224,233,553.70 and 76,693,428.60

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Solution

The fourth proportional to 149,465,416.20, 224,233,553.70 and 76,693,428.60 is: 115,058,322.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,465,416.20 : 224,233,553.70 = 76,693,428.60 : x
  2. Step 2: Convert to fraction form
    149,465,416.20/224,233,553.70 = 76,693,428.60/x
  3. Step 3: Cross multiply
    149,465,416.20x = 224,233,553.70 × 76,693,428.60
  4. Step 4: Simplify right side
    149,465,416.20x = 17,197,240,040,415,214
  5. Step 5: Solve for x
    x = 17,197,240,040,415,214/149,465,416.20
  6. Step 6: Final answer
    x = 115,058,322.37

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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.