Home / 199,563,391.60-299,597,029.80-107,520,434.80

Finding the Fourth Proportional to 199,563,391.60, 299,597,029.80 and 107,520,434.80

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Solution

The fourth proportional to 199,563,391.60, 299,597,029.80 and 107,520,434.80 is: 161,416,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,563,391.60 : 299,597,029.80 = 107,520,434.80 : x
  2. Step 2: Convert to fraction form
    199,563,391.60/299,597,029.80 = 107,520,434.80/x
  3. Step 3: Cross multiply
    199,563,391.60x = 299,597,029.80 × 107,520,434.80
  4. Step 4: Simplify right side
    199,563,391.60x = 32,212,802,908,884,556
  5. Step 5: Solve for x
    x = 32,212,802,908,884,556/199,563,391.60
  6. Step 6: Final answer
    x = 161,416,393.31

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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.