Finding the Fourth Proportional to 76,165,874.06, 114,169,079.64 and 31,875,536.84
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Solution
The fourth proportional to 76,165,874.06, 114,169,079.64 and 31,875,536.84 is: 47,779,937.52
Step by Step Solution
- Step 1: Write the proportion equation
76,165,874.06 : 114,169,079.64 = 31,875,536.84 : x - Step 2: Convert to fraction form
76,165,874.06/114,169,079.64 = 31,875,536.84/x - Step 3: Cross multiply
76,165,874.06x = 114,169,079.64 × 31,875,536.84 - Step 4: Simplify right side
76,165,874.06x = 3,639,200,704,219,603.50 - Step 5: Solve for x
x = 3,639,200,704,219,603.50/76,165,874.06 - Step 6: Final answer
x = 47,779,937.52
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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.