Finding the Fourth Proportional to 65,304,493.36, 97,970,911.80 and 19,865,106.88
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Solution
The fourth proportional to 65,304,493.36, 97,970,911.80 and 19,865,106.88 is: 29,801,971.26
Step by Step Solution
- Step 1: Write the proportion equation
65,304,493.36 : 97,970,911.80 = 19,865,106.88 : x - Step 2: Convert to fraction form
65,304,493.36/97,970,911.80 = 19,865,106.88/x - Step 3: Cross multiply
65,304,493.36x = 97,970,911.80 × 19,865,106.88 - Step 4: Simplify right side
65,304,493.36x = 1,946,202,634,038,053 - Step 5: Solve for x
x = 1,946,202,634,038,053/65,304,493.36 - Step 6: Final answer
x = 29,801,971.26
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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.