Finding the Fourth Proportional to 112,490,378.19, 168,718,518.36 and 30,615,636.64
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Solution
The fourth proportional to 112,490,378.19, 168,718,518.36 and 30,615,636.64 is: 45,918,814.88
Step by Step Solution
- Step 1: Write the proportion equation
112,490,378.19 : 168,718,518.36 = 30,615,636.64 : x - Step 2: Convert to fraction form
112,490,378.19/168,718,518.36 = 30,615,636.64/x - Step 3: Cross multiply
112,490,378.19x = 168,718,518.36 × 30,615,636.64 - Step 4: Simplify right side
112,490,378.19x = 5,165,424,852,443,480 - Step 5: Solve for x
x = 5,165,424,852,443,480/112,490,378.19 - Step 6: Final answer
x = 45,918,814.88
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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.