Finding the Fourth Proportional to 88,793,136,120.21, 133,136,514,990.63 and 28,261,267,101.69
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Solution
The fourth proportional to 88,793,136,120.21, 133,136,514,990.63 and 28,261,267,101.69 is: 42,374,971,484.78
Step by Step Solution
- Step 1: Write the proportion equation
88,793,136,120.21 : 133,136,514,990.63 = 28,261,267,101.69 : x - Step 2: Convert to fraction form
88,793,136,120.21/133,136,514,990.63 = 28,261,267,101.69/x - Step 3: Cross multiply
88,793,136,120.21x = 133,136,514,990.63 × 28,261,267,101.69 - Step 4: Simplify right side
88,793,136,120.21x = 3,762,606,611,138,349,105,152 - Step 5: Solve for x
x = 3,762,606,611,138,349,105,152/88,793,136,120.21 - Step 6: Final answer
x = 42,374,971,484.78
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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.