Finding the Fourth Proportional to 78,879,794.70, 118,319,692.05 and 44,867,570.70
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Solution
The fourth proportional to 78,879,794.70, 118,319,692.05 and 44,867,570.70 is: 67,301,356.05
Step by Step Solution
- Step 1: Write the proportion equation
78,879,794.70 : 118,319,692.05 = 44,867,570.70 : x - Step 2: Convert to fraction form
78,879,794.70/118,319,692.05 = 44,867,570.70/x - Step 3: Cross multiply
78,879,794.70x = 118,319,692.05 × 44,867,570.70 - Step 4: Simplify right side
78,879,794.70x = 5,308,717,148,255,603 - Step 5: Solve for x
x = 5,308,717,148,255,603/78,879,794.70 - Step 6: Final answer
x = 67,301,356.05
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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.