Finding the Fourth Proportional to 68,057,068.38, 93,918,324.38 and 38,688,402.38
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Solution
The fourth proportional to 68,057,068.38, 93,918,324.38 and 38,688,402.38 is: 53,389,750.85
Step by Step Solution
- Step 1: Write the proportion equation
68,057,068.38 : 93,918,324.38 = 38,688,402.38 : x - Step 2: Convert to fraction form
68,057,068.38/93,918,324.38 = 38,688,402.38/x - Step 3: Cross multiply
68,057,068.38x = 93,918,324.38 × 38,688,402.38 - Step 4: Simplify right side
68,057,068.38x = 3,633,549,924,468,804 - Step 5: Solve for x
x = 3,633,549,924,468,804/68,057,068.38 - Step 6: Final answer
x = 53,389,750.85
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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.