Finding the Fourth Proportional to 137,564,135.70, 206,346,203.55 and 137,564,135.70
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Solution
The fourth proportional to 137,564,135.70, 206,346,203.55 and 137,564,135.70 is: 206,346,203.55
Step by Step Solution
- Step 1: Write the proportion equation
137,564,135.70 : 206,346,203.55 = 137,564,135.70 : x - Step 2: Convert to fraction form
137,564,135.70/206,346,203.55 = 137,564,135.70/x - Step 3: Cross multiply
137,564,135.70x = 206,346,203.55 × 137,564,135.70 - Step 4: Simplify right side
137,564,135.70x = 28,385,837,146,332,020 - Step 5: Solve for x
x = 28,385,837,146,332,020/137,564,135.70 - Step 6: Final answer
x = 206,346,203.55
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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.