Finding the Fourth Proportional to 70,869,534.53, 97,799,937.23 and 38,274,486.53
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Solution
The fourth proportional to 70,869,534.53, 97,799,937.23 and 38,274,486.53 is: 52,818,780.38
Step by Step Solution
- Step 1: Write the proportion equation
70,869,534.53 : 97,799,937.23 = 38,274,486.53 : x - Step 2: Convert to fraction form
70,869,534.53/97,799,937.23 = 38,274,486.53/x - Step 3: Cross multiply
70,869,534.53x = 97,799,937.23 × 38,274,486.53 - Step 4: Simplify right side
70,869,534.53x = 3,743,242,379,751,167 - Step 5: Solve for x
x = 3,743,242,379,751,167/70,869,534.53 - Step 6: Final answer
x = 52,818,780.38
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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.