Finding the Fourth Proportional to 79,115,905.80, 118,658,112.30 and 38,175,265.80
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Solution
The fourth proportional to 79,115,905.80, 118,658,112.30 and 38,175,265.80 is: 57,255,300.70
Step by Step Solution
- Step 1: Write the proportion equation
79,115,905.80 : 118,658,112.30 = 38,175,265.80 : x - Step 2: Convert to fraction form
79,115,905.80/118,658,112.30 = 38,175,265.80/x - Step 3: Cross multiply
79,115,905.80x = 118,658,112.30 × 38,175,265.80 - Step 4: Simplify right side
79,115,905.80x = 4,529,804,976,378,749 - Step 5: Solve for x
x = 4,529,804,976,378,749/79,115,905.80 - Step 6: Final answer
x = 57,255,300.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.