Finding the Fourth Proportional to 98,668,737.85, 147,943,174.35 and 49,427,324.68
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Solution
The fourth proportional to 98,668,737.85, 147,943,174.35 and 49,427,324.68 is: 74,110,964.35
Step by Step Solution
- Step 1: Write the proportion equation
98,668,737.85 : 147,943,174.35 = 49,427,324.68 : x - Step 2: Convert to fraction form
98,668,737.85/147,943,174.35 = 49,427,324.68/x - Step 3: Cross multiply
98,668,737.85x = 147,943,174.35 × 49,427,324.68 - Step 4: Simplify right side
98,668,737.85x = 7,312,435,312,787,298 - Step 5: Solve for x
x = 7,312,435,312,787,298/98,668,737.85 - Step 6: Final answer
x = 74,110,964.35
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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.