Finding the Fourth Proportional to 156,119,987.00, 234,015,187.65 and 52,390,841.49
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Solution
The fourth proportional to 156,119,987.00, 234,015,187.65 and 52,390,841.49 is: 78,530,960.95
Step by Step Solution
- Step 1: Write the proportion equation
156,119,987.00 : 234,015,187.65 = 52,390,841.49 : x - Step 2: Convert to fraction form
156,119,987.00/234,015,187.65 = 52,390,841.49/x - Step 3: Cross multiply
156,119,987.00x = 234,015,187.65 × 52,390,841.49 - Step 4: Simplify right side
156,119,987.00x = 12,260,252,602,423,756 - Step 5: Solve for x
x = 12,260,252,602,423,756/156,119,987.00 - Step 6: Final answer
x = 78,530,960.95
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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.