Finding the Fourth Proportional to 292,214,738.66, 403,251,355.11 and 158,251,566.74
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Solution
The fourth proportional to 292,214,738.66, 403,251,355.11 and 158,251,566.74 is: 218,384,462.84
Step by Step Solution
- Step 1: Write the proportion equation
292,214,738.66 : 403,251,355.11 = 158,251,566.74 : x - Step 2: Convert to fraction form
292,214,738.66/403,251,355.11 = 158,251,566.74/x - Step 3: Cross multiply
292,214,738.66x = 403,251,355.11 × 158,251,566.74 - Step 4: Simplify right side
292,214,738.66x = 63,815,158,734,762,792 - Step 5: Solve for x
x = 63,815,158,734,762,792/292,214,738.66 - Step 6: Final answer
x = 218,384,462.84
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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.