Finding the Fourth Proportional to 126,628,507.98, 174,747,264.03 and 68,681,755.98
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Solution
The fourth proportional to 126,628,507.98, 174,747,264.03 and 68,681,755.98 is: 94,780,781.50
Step by Step Solution
- Step 1: Write the proportion equation
126,628,507.98 : 174,747,264.03 = 68,681,755.98 : x - Step 2: Convert to fraction form
126,628,507.98/174,747,264.03 = 68,681,755.98/x - Step 3: Cross multiply
126,628,507.98x = 174,747,264.03 × 68,681,755.98 - Step 4: Simplify right side
126,628,507.98x = 12,001,948,946,281,092 - Step 5: Solve for x
x = 12,001,948,946,281,092/126,628,507.98 - Step 6: Final answer
x = 94,780,781.50
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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.