Finding the Fourth Proportional to 174,440,642.80, 261,157,079.40 and 106,416,194.80
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Solution
The fourth proportional to 174,440,642.80, 261,157,079.40 and 106,416,194.80 is: 159,316,901.09
Step by Step Solution
- Step 1: Write the proportion equation
174,440,642.80 : 261,157,079.40 = 106,416,194.80 : x - Step 2: Convert to fraction form
174,440,642.80/261,157,079.40 = 106,416,194.80/x - Step 3: Cross multiply
174,440,642.80x = 261,157,079.40 × 106,416,194.80 - Step 4: Simplify right side
174,440,642.80x = 27,791,342,634,829,468 - Step 5: Solve for x
x = 27,791,342,634,829,468/174,440,642.80 - Step 6: Final answer
x = 159,316,901.09
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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.