Finding the Fourth Proportional to 79,703,429.60, 109,987,334.48 and 44,419,357.19
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Solution
The fourth proportional to 79,703,429.60, 109,987,334.48 and 44,419,357.19 is: 61,296,818.98
Step by Step Solution
- Step 1: Write the proportion equation
79,703,429.60 : 109,987,334.48 = 44,419,357.19 : x - Step 2: Convert to fraction form
79,703,429.60/109,987,334.48 = 44,419,357.19/x - Step 3: Cross multiply
79,703,429.60x = 109,987,334.48 × 44,419,357.19 - Step 4: Simplify right side
79,703,429.60x = 4,885,566,696,421,026 - Step 5: Solve for x
x = 4,885,566,696,421,026/79,703,429.60 - Step 6: Final answer
x = 61,296,818.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.