Finding the Fourth Proportional to 77,122,742.84, 106,429,373.56 and 44,083,701.39
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Solution
The fourth proportional to 77,122,742.84, 106,429,373.56 and 44,083,701.39 is: 60,835,501.31
Step by Step Solution
- Step 1: Write the proportion equation
77,122,742.84 : 106,429,373.56 = 44,083,701.39 : x - Step 2: Convert to fraction form
77,122,742.84/106,429,373.56 = 44,083,701.39/x - Step 3: Cross multiply
77,122,742.84x = 106,429,373.56 × 44,083,701.39 - Step 4: Simplify right side
77,122,742.84x = 4,691,800,723,143,801 - Step 5: Solve for x
x = 4,691,800,723,143,801/77,122,742.84 - Step 6: Final answer
x = 60,835,501.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.