Finding the Fourth Proportional to 98,935,302.80, 148,402,954.20 and 82,912,356.65
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Solution
The fourth proportional to 98,935,302.80, 148,402,954.20 and 82,912,356.65 is: 124,368,534.98
Step by Step Solution
- Step 1: Write the proportion equation
98,935,302.80 : 148,402,954.20 = 82,912,356.65 : x - Step 2: Convert to fraction form
98,935,302.80/148,402,954.20 = 82,912,356.65/x - Step 3: Cross multiply
98,935,302.80x = 148,402,954.20 × 82,912,356.65 - Step 4: Simplify right side
98,935,302.80x = 12,304,438,666,544,016 - Step 5: Solve for x
x = 12,304,438,666,544,016/98,935,302.80 - Step 6: Final answer
x = 124,368,534.98
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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.