Finding the Fourth Proportional to 68,103,636.68, 93,985,003.41 and 37,165,798.73
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Solution
The fourth proportional to 68,103,636.68, 93,985,003.41 and 37,165,798.73 is: 51,289,885.40
Step by Step Solution
- Step 1: Write the proportion equation
68,103,636.68 : 93,985,003.41 = 37,165,798.73 : x - Step 2: Convert to fraction form
68,103,636.68/93,985,003.41 = 37,165,798.73/x - Step 3: Cross multiply
68,103,636.68x = 93,985,003.41 × 37,165,798.73 - Step 4: Simplify right side
68,103,636.68x = 3,493,027,720,374,423 - Step 5: Solve for x
x = 3,493,027,720,374,423/68,103,636.68 - Step 6: Final answer
x = 51,289,885.40
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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.