Finding the Fourth Proportional to 141,476,213.71, 195,237,130.98 and 78,750,948.52
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Solution
The fourth proportional to 141,476,213.71, 195,237,130.98 and 78,750,948.52 is: 108,676,284.50
Step by Step Solution
- Step 1: Write the proportion equation
141,476,213.71 : 195,237,130.98 = 78,750,948.52 : x - Step 2: Convert to fraction form
141,476,213.71/195,237,130.98 = 78,750,948.52/x - Step 3: Cross multiply
141,476,213.71x = 195,237,130.98 × 78,750,948.52 - Step 4: Simplify right side
141,476,213.71x = 15,375,109,250,998,476 - Step 5: Solve for x
x = 15,375,109,250,998,476/141,476,213.71 - Step 6: Final answer
x = 108,676,284.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.