Finding the Fourth Proportional to 293,669,948.60, 440,490,926.10 and 99,562,326.20
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Solution
The fourth proportional to 293,669,948.60, 440,490,926.10 and 99,562,326.20 is: 149,338,743.99
Step by Step Solution
- Step 1: Write the proportion equation
293,669,948.60 : 440,490,926.10 = 99,562,326.20 : x - Step 2: Convert to fraction form
293,669,948.60/440,490,926.10 = 99,562,326.20/x - Step 3: Cross multiply
293,669,948.60x = 440,490,926.10 × 99,562,326.20 - Step 4: Simplify right side
293,669,948.60x = 43,856,301,272,508,296 - Step 5: Solve for x
x = 43,856,301,272,508,296/293,669,948.60 - Step 6: Final answer
x = 149,338,743.99
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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.