Finding the Fourth Proportional to 99,634,221.30, 149,472,327.15 and 42,096,875.70
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Solution
The fourth proportional to 99,634,221.30, 149,472,327.15 and 42,096,875.70 is: 63,154,184.32
Step by Step Solution
- Step 1: Write the proportion equation
99,634,221.30 : 149,472,327.15 = 42,096,875.70 : x - Step 2: Convert to fraction form
99,634,221.30/149,472,327.15 = 42,096,875.70/x - Step 3: Cross multiply
99,634,221.30x = 149,472,327.15 × 42,096,875.70 - Step 4: Simplify right side
99,634,221.30x = 6,292,317,976,623,286 - Step 5: Solve for x
x = 6,292,317,976,623,286/99,634,221.30 - Step 6: Final answer
x = 63,154,184.32
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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.