Finding the Fourth Proportional to 78,927,232,101.68, 118,343,568,872.82 and 25,121,126,307.44
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Solution
The fourth proportional to 78,927,232,101.68, 118,343,568,872.82 and 25,121,126,307.44 is: 37,666,641,312.06
Step by Step Solution
- Step 1: Write the proportion equation
78,927,232,101.68 : 118,343,568,872.82 = 25,121,126,307.44 : x - Step 2: Convert to fraction form
78,927,232,101.68/118,343,568,872.82 = 25,121,126,307.44/x - Step 3: Cross multiply
78,927,232,101.68x = 118,343,568,872.82 × 25,121,126,307.44 - Step 4: Simplify right side
78,927,232,101.68x = 2,972,923,741,327,336,144,896 - Step 5: Solve for x
x = 2,972,923,741,327,336,144,896/78,927,232,101.68 - Step 6: Final answer
x = 37,666,641,312.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.