Finding the Fourth Proportional to 219,145,375.72, 302,420,913.26 and 118,673,988.14
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Solution
The fourth proportional to 219,145,375.72, 302,420,913.26 and 118,673,988.14 is: 163,770,263.26
Step by Step Solution
- Step 1: Write the proportion equation
219,145,375.72 : 302,420,913.26 = 118,673,988.14 : x - Step 2: Convert to fraction form
219,145,375.72/302,420,913.26 = 118,673,988.14/x - Step 3: Cross multiply
219,145,375.72x = 302,420,913.26 × 118,673,988.14 - Step 4: Simplify right side
219,145,375.72x = 35,889,495,873,505,208 - Step 5: Solve for x
x = 35,889,495,873,505,208/219,145,375.72 - Step 6: Final answer
x = 163,770,263.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.