Finding the Fourth Proportional to 83,246,052.78, 124,866,085.55 and 21,834,720.99
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Solution
The fourth proportional to 83,246,052.78, 124,866,085.55 and 21,834,720.99 is: 32,751,296.28
Step by Step Solution
- Step 1: Write the proportion equation
83,246,052.78 : 124,866,085.55 = 21,834,720.99 : x - Step 2: Convert to fraction form
83,246,052.78/124,866,085.55 = 21,834,720.99/x - Step 3: Cross multiply
83,246,052.78x = 124,866,085.55 × 21,834,720.99 - Step 4: Simplify right side
83,246,052.78x = 2,726,416,138,988,547 - Step 5: Solve for x
x = 2,726,416,138,988,547/83,246,052.78 - Step 6: Final answer
x = 32,751,296.28
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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.