Finding the Fourth Proportional to 150,169,688.08, 207,234,171.24 and 81,492,056.08
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Solution
The fourth proportional to 150,169,688.08, 207,234,171.24 and 81,492,056.08 is: 112,459,038.31
Step by Step Solution
- Step 1: Write the proportion equation
150,169,688.08 : 207,234,171.24 = 81,492,056.08 : x - Step 2: Convert to fraction form
150,169,688.08/207,234,171.24 = 81,492,056.08/x - Step 3: Cross multiply
150,169,688.08x = 207,234,171.24 × 81,492,056.08 - Step 4: Simplify right side
150,169,688.08x = 16,887,938,704,382,404 - Step 5: Solve for x
x = 16,887,938,704,382,404/150,169,688.08 - Step 6: Final answer
x = 112,459,038.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.