Finding the Fourth Proportional to 146,464,427.02, 202,130,357.13 and 81,274,331.02
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Solution
The fourth proportional to 146,464,427.02, 202,130,357.13 and 81,274,331.02 is: 112,163,819.49
Step by Step Solution
- Step 1: Write the proportion equation
146,464,427.02 : 202,130,357.13 = 81,274,331.02 : x - Step 2: Convert to fraction form
146,464,427.02/202,130,357.13 = 81,274,331.02/x - Step 3: Cross multiply
146,464,427.02x = 202,130,357.13 × 81,274,331.02 - Step 4: Simplify right side
146,464,427.02x = 16,428,009,554,574,436 - Step 5: Solve for x
x = 16,428,009,554,574,436/146,464,427.02 - Step 6: Final answer
x = 112,163,819.49
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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.