Finding the Fourth Proportional to 171,428,620.16, 236,574,612.36 and 97,104,612.32
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Solution
The fourth proportional to 171,428,620.16, 236,574,612.36 and 97,104,612.32 is: 134,006,130.34
Step by Step Solution
- Step 1: Write the proportion equation
171,428,620.16 : 236,574,612.36 = 97,104,612.32 : x - Step 2: Convert to fraction form
171,428,620.16/236,574,612.36 = 97,104,612.32/x - Step 3: Cross multiply
171,428,620.16x = 236,574,612.36 × 97,104,612.32 - Step 4: Simplify right side
171,428,620.16x = 22,972,486,017,972,080 - Step 5: Solve for x
x = 22,972,486,017,972,080/171,428,620.16 - Step 6: Final answer
x = 134,006,130.34
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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.