Finding the Fourth Proportional to 168,518,282.74, 232,562,412.15 and 94,178,841.03
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Solution
The fourth proportional to 168,518,282.74, 232,562,412.15 and 94,178,841.03 is: 129,970,814.37
Step by Step Solution
- Step 1: Write the proportion equation
168,518,282.74 : 232,562,412.15 = 94,178,841.03 : x - Step 2: Convert to fraction form
168,518,282.74/232,562,412.15 = 94,178,841.03/x - Step 3: Cross multiply
168,518,282.74x = 232,562,412.15 × 94,178,841.03 - Step 4: Simplify right side
168,518,282.74x = 21,902,458,443,410,104 - Step 5: Solve for x
x = 21,902,458,443,410,104/168,518,282.74 - Step 6: Final answer
x = 129,970,814.37
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1.5x scale
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.