Finding the Fourth Proportional to 70,881,314, 97,816,252.56 and 38,286,266
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Solution
The fourth proportional to 70,881,314, 97,816,252.56 and 38,286,266 is: 52,835,068.28
Step by Step Solution
- Step 1: Write the proportion equation
70,881,314 : 97,816,252.56 = 38,286,266 : x - Step 2: Convert to fraction form
70,881,314/97,816,252.56 = 38,286,266/x - Step 3: Cross multiply
70,881,314x = 97,816,252.56 × 38,286,266 - Step 4: Simplify right side
70,881,314x = 3,745,019,064,635,341 - Step 5: Solve for x
x = 3,745,019,064,635,341/70,881,314 - Step 6: Final answer
x = 52,835,068.28
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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.