Finding the Fourth Proportional to 64,755,938.80, 97,121,466.60 and 19,319,215.60
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Solution
The fourth proportional to 64,755,938.80, 97,121,466.60 and 19,319,215.60 is: 28,975,111.59
Step by Step Solution
- Step 1: Write the proportion equation
64,755,938.80 : 97,121,466.60 = 19,319,215.60 : x - Step 2: Convert to fraction form
64,755,938.80/97,121,466.60 = 19,319,215.60/x - Step 3: Cross multiply
64,755,938.80x = 97,121,466.60 × 19,319,215.60 - Step 4: Simplify right side
64,755,938.80x = 1,876,310,552,633,599 - Step 5: Solve for x
x = 1,876,310,552,633,599/64,755,938.80 - Step 6: Final answer
x = 28,975,111.59
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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.