Finding the Fourth Proportional to 164,268,875.40, 246,403,313.10 and 99,645,649.80
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Solution
The fourth proportional to 164,268,875.40, 246,403,313.10 and 99,645,649.80 is: 149,468,474.70
Step by Step Solution
- Step 1: Write the proportion equation
164,268,875.40 : 246,403,313.10 = 99,645,649.80 : x - Step 2: Convert to fraction form
164,268,875.40/246,403,313.10 = 99,645,649.80/x - Step 3: Cross multiply
164,268,875.40x = 246,403,313.10 × 99,645,649.80 - Step 4: Simplify right side
164,268,875.40x = 24,553,018,246,722,352 - Step 5: Solve for x
x = 24,553,018,246,722,352/164,268,875.40 - Step 6: Final answer
x = 149,468,474.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.