Finding the Fourth Proportional to 113,602,582.70, 170,403,874.05 and 99,572,540.30
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Solution
The fourth proportional to 113,602,582.70, 170,403,874.05 and 99,572,540.30 is: 149,358,810.45
Step by Step Solution
- Step 1: Write the proportion equation
113,602,582.70 : 170,403,874.05 = 99,572,540.30 : x - Step 2: Convert to fraction form
113,602,582.70/170,403,874.05 = 99,572,540.30/x - Step 3: Cross multiply
113,602,582.70x = 170,403,874.05 × 99,572,540.30 - Step 4: Simplify right side
113,602,582.70x = 16,967,546,616,119,750 - Step 5: Solve for x
x = 16,967,546,616,119,750/113,602,582.70 - Step 6: Final answer
x = 149,358,810.45
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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.