Finding the Fourth Proportional to 134,367,168.18, 185,389,221.45 and 86,662,237.08
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Solution
The fourth proportional to 134,367,168.18, 185,389,221.45 and 86,662,237.08 is: 119,569,719.89
Step by Step Solution
- Step 1: Write the proportion equation
134,367,168.18 : 185,389,221.45 = 86,662,237.08 : x - Step 2: Convert to fraction form
134,367,168.18/185,389,221.45 = 86,662,237.08/x - Step 3: Cross multiply
134,367,168.18x = 185,389,221.45 × 86,662,237.08 - Step 4: Simplify right side
134,367,168.18x = 16,066,244,661,376,520 - Step 5: Solve for x
x = 16,066,244,661,376,520/134,367,168.18 - Step 6: Final answer
x = 119,569,719.89
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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.