Finding the Fourth Proportional to 98,668,745.38, 147,943,185.57 and 49,427,332.18
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Solution
The fourth proportional to 98,668,745.38, 147,943,185.57 and 49,427,332.18 is: 74,110,975.56
Step by Step Solution
- Step 1: Write the proportion equation
98,668,745.38 : 147,943,185.57 = 49,427,332.18 : x - Step 2: Convert to fraction form
98,668,745.38/147,943,185.57 = 49,427,332.18/x - Step 3: Cross multiply
98,668,745.38x = 147,943,185.57 × 49,427,332.18 - Step 4: Simplify right side
98,668,745.38x = 7,312,436,976,935,772 - Step 5: Solve for x
x = 7,312,436,976,935,772/98,668,745.38 - Step 6: Final answer
x = 74,110,975.56
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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.