Finding the Fourth Proportional to 68,843,531.91, 103,227,480.59 and 47,283,558.15
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Solution
The fourth proportional to 68,843,531.91, 103,227,480.59 and 47,283,558.15 is: 70,899,363.32
Step by Step Solution
- Step 1: Write the proportion equation
68,843,531.91 : 103,227,480.59 = 47,283,558.15 : x - Step 2: Convert to fraction form
68,843,531.91/103,227,480.59 = 47,283,558.15/x - Step 3: Cross multiply
68,843,531.91x = 103,227,480.59 × 47,283,558.15 - Step 4: Simplify right side
68,843,531.91x = 4,880,962,580,918,843 - Step 5: Solve for x
x = 4,880,962,580,918,843/68,843,531.91 - Step 6: Final answer
x = 70,899,363.32
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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.