Home / 236,197,110.70-354,295,666.05-218,978,422.30

Finding the Fourth Proportional to 236,197,110.70, 354,295,666.05 and 218,978,422.30

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Solution

The fourth proportional to 236,197,110.70, 354,295,666.05 and 218,978,422.30 is: 328,467,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,197,110.70 : 354,295,666.05 = 218,978,422.30 : x
  2. Step 2: Convert to fraction form
    236,197,110.70/354,295,666.05 = 218,978,422.30/x
  3. Step 3: Cross multiply
    236,197,110.70x = 354,295,666.05 × 218,978,422.30
  4. Step 4: Simplify right side
    236,197,110.70x = 77,583,105,979,356,672
  5. Step 5: Solve for x
    x = 77,583,105,979,356,672/236,197,110.70
  6. Step 6: Final answer
    x = 328,467,633.45

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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.