Finding the Fourth Proportional to 345,608,498.74, 518,413,247.05 and 141,136,573.99
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Solution
The fourth proportional to 345,608,498.74, 518,413,247.05 and 141,136,573.99 is: 211,705,064.73
Step by Step Solution
- Step 1: Write the proportion equation
345,608,498.74 : 518,413,247.05 = 141,136,573.99 : x - Step 2: Convert to fraction form
345,608,498.74/518,413,247.05 = 141,136,573.99/x - Step 3: Cross multiply
345,608,498.74x = 518,413,247.05 × 141,136,573.99 - Step 4: Simplify right side
345,608,498.74x = 73,167,069,597,076,416 - Step 5: Solve for x
x = 73,167,069,597,076,416/345,608,498.74 - Step 6: Final answer
x = 211,705,064.73
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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.