Finding the Fourth Proportional to 78,136,476.96, 117,221,513.76 and 26,326,228
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Solution
The fourth proportional to 78,136,476.96, 117,221,513.76 and 26,326,228 is: 39,495,001.79
Step by Step Solution
- Step 1: Write the proportion equation
78,136,476.96 : 117,221,513.76 = 26,326,228 : x - Step 2: Convert to fraction form
78,136,476.96/117,221,513.76 = 26,326,228/x - Step 3: Cross multiply
78,136,476.96x = 117,221,513.76 × 26,326,228 - Step 4: Simplify right side
78,136,476.96x = 3,086,000,297,750,897.50 - Step 5: Solve for x
x = 3,086,000,297,750,897.50/78,136,476.96 - Step 6: Final answer
x = 39,495,001.79
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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.