Finding the Fourth Proportional to 99,696,037.40, 149,544,056.10 and 39,113,739.80
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Solution
The fourth proportional to 99,696,037.40, 149,544,056.10 and 39,113,739.80 is: 58,670,609.70
Step by Step Solution
- Step 1: Write the proportion equation
99,696,037.40 : 149,544,056.10 = 39,113,739.80 : x - Step 2: Convert to fraction form
99,696,037.40/149,544,056.10 = 39,113,739.80/x - Step 3: Cross multiply
99,696,037.40x = 149,544,056.10 × 39,113,739.80 - Step 4: Simplify right side
99,696,037.40x = 5,849,227,298,932,002 - Step 5: Solve for x
x = 5,849,227,298,932,002/99,696,037.40 - Step 6: Final answer
x = 58,670,609.70
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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.