Finding the Fourth Proportional to 149,781,811.05, 224,672,716.58 and 73,153,996.65
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Solution
The fourth proportional to 149,781,811.05, 224,672,716.58 and 73,153,996.65 is: 109,730,994.98
Step by Step Solution
- Step 1: Write the proportion equation
149,781,811.05 : 224,672,716.58 = 73,153,996.65 : x - Step 2: Convert to fraction form
149,781,811.05/224,672,716.58 = 73,153,996.65/x - Step 3: Cross multiply
149,781,811.05x = 224,672,716.58 × 73,153,996.65 - Step 4: Simplify right side
149,781,811.05x = 16,435,707,155,673,950 - Step 5: Solve for x
x = 16,435,707,155,673,950/149,781,811.05 - Step 6: Final answer
x = 109,730,994.98
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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.