Finding the Fourth Proportional to 160,354,738.14, 240,623,090.05 and 86,577,528.79
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Solution
The fourth proportional to 160,354,738.14, 240,623,090.05 and 86,577,528.79 is: 129,915,415.96
Step by Step Solution
- Step 1: Write the proportion equation
160,354,738.14 : 240,623,090.05 = 86,577,528.79 : x - Step 2: Convert to fraction form
160,354,738.14/240,623,090.05 = 86,577,528.79/x - Step 3: Cross multiply
160,354,738.14x = 240,623,090.05 × 86,577,528.79 - Step 4: Simplify right side
160,354,738.14x = 20,832,552,506,342,640 - Step 5: Solve for x
x = 20,832,552,506,342,640/160,354,738.14 - Step 6: Final answer
x = 129,915,415.96
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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.