Finding the Fourth Proportional to 193,440,402.80, 290,160,604.20 and 149,602,425.20
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Solution
The fourth proportional to 193,440,402.80, 290,160,604.20 and 149,602,425.20 is: 224,403,637.80
Step by Step Solution
- Step 1: Write the proportion equation
193,440,402.80 : 290,160,604.20 = 149,602,425.20 : x - Step 2: Convert to fraction form
193,440,402.80/290,160,604.20 = 149,602,425.20/x - Step 3: Cross multiply
193,440,402.80x = 290,160,604.20 × 149,602,425.20 - Step 4: Simplify right side
193,440,402.80x = 43,408,730,085,817,304 - Step 5: Solve for x
x = 43,408,730,085,817,304/193,440,402.80 - Step 6: Final answer
x = 224,403,637.80
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1.5x scale
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.