Finding the Fourth Proportional to 86,616,740.68, 129,449,572.88 and 63,322,522.03
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Solution
The fourth proportional to 86,616,740.68, 129,449,572.88 and 63,322,522.03 is: 94,636,133.46
Step by Step Solution
- Step 1: Write the proportion equation
86,616,740.68 : 129,449,572.88 = 63,322,522.03 : x - Step 2: Convert to fraction form
86,616,740.68/129,449,572.88 = 63,322,522.03/x - Step 3: Cross multiply
86,616,740.68x = 129,449,572.88 × 63,322,522.03 - Step 4: Simplify right side
86,616,740.68x = 8,197,073,430,313,090 - Step 5: Solve for x
x = 8,197,073,430,313,090/86,616,740.68 - Step 6: Final answer
x = 94,636,133.46
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.