Finding the Fourth Proportional to 54,737,142.02, 75,134,890.55 and 48,403,415.06
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Solution
The fourth proportional to 54,737,142.02, 75,134,890.55 and 48,403,415.06 is: 66,440,905.72
Step by Step Solution
- Step 1: Write the proportion equation
54,737,142.02 : 75,134,890.55 = 48,403,415.06 : x - Step 2: Convert to fraction form
54,737,142.02/75,134,890.55 = 48,403,415.06/x - Step 3: Cross multiply
54,737,142.02x = 75,134,890.55 × 48,403,415.06 - Step 4: Simplify right side
54,737,142.02x = 3,636,785,292,161,630 - Step 5: Solve for x
x = 3,636,785,292,161,630/54,737,142.02 - Step 6: Final answer
x = 66,440,905.72
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.