Finding the Fourth Proportional to 86,600,953.76, 119,509,306.25 and 51,793,638.62
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Solution
The fourth proportional to 86,600,953.76, 119,509,306.25 and 51,793,638.62 is: 71,475,215.35
Step by Step Solution
- Step 1: Write the proportion equation
86,600,953.76 : 119,509,306.25 = 51,793,638.62 : x - Step 2: Convert to fraction form
86,600,953.76/119,509,306.25 = 51,793,638.62/x - Step 3: Cross multiply
86,600,953.76x = 119,509,306.25 × 51,793,638.62 - Step 4: Simplify right side
86,600,953.76x = 6,189,821,818,782,893 - Step 5: Solve for x
x = 6,189,821,818,782,893/86,600,953.76 - Step 6: Final answer
x = 71,475,215.35
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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.