Finding the Fourth Proportional to 118,026,029.36, 162,887,531.64 and 71,612,640.56
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Solution
The fourth proportional to 118,026,029.36, 162,887,531.64 and 71,612,640.56 is: 98,832,489.06
Step by Step Solution
- Step 1: Write the proportion equation
118,026,029.36 : 162,887,531.64 = 71,612,640.56 : x - Step 2: Convert to fraction form
118,026,029.36/162,887,531.64 = 71,612,640.56/x - Step 3: Cross multiply
118,026,029.36x = 162,887,531.64 × 71,612,640.56 - Step 4: Simplify right side
118,026,029.36x = 11,664,806,255,040,946 - Step 5: Solve for x
x = 11,664,806,255,040,946/118,026,029.36 - Step 6: Final answer
x = 98,832,489.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.