Finding the Fourth Proportional to 79,382,153.45, 118,899,626.09 and 56,283,070.39
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Solution
The fourth proportional to 79,382,153.45, 118,899,626.09 and 56,283,070.39 is: 84,301,517.82
Step by Step Solution
- Step 1: Write the proportion equation
79,382,153.45 : 118,899,626.09 = 56,283,070.39 : x - Step 2: Convert to fraction form
79,382,153.45/118,899,626.09 = 56,283,070.39/x - Step 3: Cross multiply
79,382,153.45x = 118,899,626.09 × 56,283,070.39 - Step 4: Simplify right side
79,382,153.45x = 6,692,036,023,989,486 - Step 5: Solve for x
x = 6,692,036,023,989,486/79,382,153.45 - Step 6: Final answer
x = 84,301,517.82
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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.