Finding the Fourth Proportional to 78,927,232,102.18, 118,343,568,873.57 and 25,121,126,307.94
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Solution
The fourth proportional to 78,927,232,102.18, 118,343,568,873.57 and 25,121,126,307.94 is: 37,666,641,312.81
Step by Step Solution
- Step 1: Write the proportion equation
78,927,232,102.18 : 118,343,568,873.57 = 25,121,126,307.94 : x - Step 2: Convert to fraction form
78,927,232,102.18/118,343,568,873.57 = 25,121,126,307.94/x - Step 3: Cross multiply
78,927,232,102.18x = 118,343,568,873.57 × 25,121,126,307.94 - Step 4: Simplify right side
78,927,232,102.18x = 2,972,923,741,405,348,626,432 - Step 5: Solve for x
x = 2,972,923,741,405,348,626,432/78,927,232,102.18 - Step 6: Final answer
x = 37,666,641,312.81
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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.