Finding the Fourth Proportional to 68,232,857.13, 102,334,195.94 and 19,700,158.41
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Solution
The fourth proportional to 68,232,857.13, 102,334,195.94 and 19,700,158.41 is: 29,545,880.91
Step by Step Solution
- Step 1: Write the proportion equation
68,232,857.13 : 102,334,195.94 = 19,700,158.41 : x - Step 2: Convert to fraction form
68,232,857.13/102,334,195.94 = 19,700,158.41/x - Step 3: Cross multiply
68,232,857.13x = 102,334,195.94 × 19,700,158.41 - Step 4: Simplify right side
68,232,857.13x = 2,015,999,870,679,478.25 - Step 5: Solve for x
x = 2,015,999,870,679,478.25/68,232,857.13 - Step 6: Final answer
x = 29,545,880.91
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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.