Finding the Fourth Proportional to 78,811,305.44, 118,177,269.57 and 26,270,374.57
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Solution
The fourth proportional to 78,811,305.44, 118,177,269.57 and 26,270,374.57 is: 39,392,332.35
Step by Step Solution
- Step 1: Write the proportion equation
78,811,305.44 : 118,177,269.57 = 26,270,374.57 : x - Step 2: Convert to fraction form
78,811,305.44/118,177,269.57 = 26,270,374.57/x - Step 3: Cross multiply
78,811,305.44x = 118,177,269.57 × 26,270,374.57 - Step 4: Simplify right side
78,811,305.44x = 3,104,561,136,968,319.50 - Step 5: Solve for x
x = 3,104,561,136,968,319.50/78,811,305.44 - Step 6: Final answer
x = 39,392,332.35
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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.