Finding the Fourth Proportional to 118,301,672.80, 177,153,910.80 and 77,692,290.40
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Solution
The fourth proportional to 118,301,672.80, 177,153,910.80 and 77,692,290.40 is: 116,342,336.99
Step by Step Solution
- Step 1: Write the proportion equation
118,301,672.80 : 177,153,910.80 = 77,692,290.40 : x - Step 2: Convert to fraction form
118,301,672.80/177,153,910.80 = 77,692,290.40/x - Step 3: Cross multiply
118,301,672.80x = 177,153,910.80 × 77,692,290.40 - Step 4: Simplify right side
118,301,672.80x = 13,763,493,083,369,298 - Step 5: Solve for x
x = 13,763,493,083,369,298/118,301,672.80 - Step 6: Final answer
x = 116,342,336.99
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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.