Finding the Fourth Proportional to 199,588,579.80, 299,426,415.30 and 113,368,291.80
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Solution
The fourth proportional to 199,588,579.80, 299,426,415.30 and 113,368,291.80 is: 170,077,172.03
Step by Step Solution
- Step 1: Write the proportion equation
199,588,579.80 : 299,426,415.30 = 113,368,291.80 : x - Step 2: Convert to fraction form
199,588,579.80/299,426,415.30 = 113,368,291.80/x - Step 3: Cross multiply
199,588,579.80x = 299,426,415.30 × 113,368,291.80 - Step 4: Simplify right side
199,588,579.80x = 33,945,461,222,358,384 - Step 5: Solve for x
x = 33,945,461,222,358,384/199,588,579.80 - Step 6: Final answer
x = 170,077,172.03
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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.