Finding the Fourth Proportional to 193,145,827.59, 266,601,257.35 and 153,523,664.62
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Solution
The fourth proportional to 193,145,827.59, 266,601,257.35 and 153,523,664.62 is: 211,910,360.84
Step by Step Solution
- Step 1: Write the proportion equation
193,145,827.59 : 266,601,257.35 = 153,523,664.62 : x - Step 2: Convert to fraction form
193,145,827.59/266,601,257.35 = 153,523,664.62/x - Step 3: Cross multiply
193,145,827.59x = 266,601,257.35 × 153,523,664.62 - Step 4: Simplify right side
193,145,827.59x = 40,929,602,019,621,400 - Step 5: Solve for x
x = 40,929,602,019,621,400/193,145,827.59 - Step 6: Final answer
x = 211,910,360.84
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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.