Finding the Fourth Proportional to 78,811,312.94, 118,177,280.82 and 26,270,382.08
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Solution
The fourth proportional to 78,811,312.94, 118,177,280.82 and 26,270,382.08 is: 39,392,343.61
Step by Step Solution
- Step 1: Write the proportion equation
78,811,312.94 : 118,177,280.82 = 26,270,382.08 : x - Step 2: Convert to fraction form
78,811,312.94/118,177,280.82 = 26,270,382.08/x - Step 3: Cross multiply
78,811,312.94x = 118,177,280.82 × 26,270,382.08 - Step 4: Simplify right side
78,811,312.94x = 3,104,562,319,725,969 - Step 5: Solve for x
x = 3,104,562,319,725,969/78,811,312.94 - Step 6: Final answer
x = 39,392,343.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.