Finding the Fourth Proportional to 70,136,136,784.08, 105,193,575,412.20 and 19,088,411,397.84
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Solution
The fourth proportional to 70,136,136,784.08, 105,193,575,412.20 and 19,088,411,397.84 is: 28,629,724,075.90
Step by Step Solution
- Step 1: Write the proportion equation
70,136,136,784.08 : 105,193,575,412.20 = 19,088,411,397.84 : x - Step 2: Convert to fraction form
70,136,136,784.08/105,193,575,412.20 = 19,088,411,397.84/x - Step 3: Cross multiply
70,136,136,784.08x = 105,193,575,412.20 × 19,088,411,397.84 - Step 4: Simplify right side
70,136,136,784.08x = 2,007,978,243,877,780,062,208 - Step 5: Solve for x
x = 2,007,978,243,877,780,062,208/70,136,136,784.08 - Step 6: Final answer
x = 28,629,724,075.90
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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.