Finding the Fourth Proportional to 68,426,218.68, 94,432,696.62 and 39,063,499.32
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Solution
The fourth proportional to 68,426,218.68, 94,432,696.62 and 39,063,499.32 is: 53,910,206.52
Step by Step Solution
- Step 1: Write the proportion equation
68,426,218.68 : 94,432,696.62 = 39,063,499.32 : x - Step 2: Convert to fraction form
68,426,218.68/94,432,696.62 = 39,063,499.32/x - Step 3: Cross multiply
68,426,218.68x = 94,432,696.62 × 39,063,499.32 - Step 4: Simplify right side
68,426,218.68x = 3,688,871,580,201,136.50 - Step 5: Solve for x
x = 3,688,871,580,201,136.50/68,426,218.68 - Step 6: Final answer
x = 53,910,206.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.