Finding the Fourth Proportional to 139,509,389.44, 209,072,765.40 and 88,299,997.12
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Solution
The fourth proportional to 139,509,389.44, 209,072,765.40 and 88,299,997.12 is: 132,328,903.86
Step by Step Solution
- Step 1: Write the proportion equation
139,509,389.44 : 209,072,765.40 = 88,299,997.12 : x - Step 2: Convert to fraction form
139,509,389.44/209,072,765.40 = 88,299,997.12/x - Step 3: Cross multiply
139,509,389.44x = 209,072,765.40 × 88,299,997.12 - Step 4: Simplify right side
139,509,389.44x = 18,461,124,582,690,436 - Step 5: Solve for x
x = 18,461,124,582,690,436/139,509,389.44 - Step 6: Final answer
x = 132,328,903.86
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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.