Finding the Fourth Proportional to 65,210,877.40, 97,828,125.90 and 32,781,166.60
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Solution
The fourth proportional to 65,210,877.40, 97,828,125.90 and 32,781,166.60 is: 49,177,686.62
Step by Step Solution
- Step 1: Write the proportion equation
65,210,877.40 : 97,828,125.90 = 32,781,166.60 : x - Step 2: Convert to fraction form
65,210,877.40/97,828,125.90 = 32,781,166.60/x - Step 3: Cross multiply
65,210,877.40x = 97,828,125.90 × 32,781,166.60 - Step 4: Simplify right side
65,210,877.40x = 3,206,920,093,293,675.50 - Step 5: Solve for x
x = 3,206,920,093,293,675.50/65,210,877.40 - Step 6: Final answer
x = 49,177,686.62
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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.