Finding the Fourth Proportional to 268,129,239.86, 402,182,912.91 and 93,292,290.74
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Solution
The fourth proportional to 268,129,239.86, 402,182,912.91 and 93,292,290.74 is: 139,934,627.28
Step by Step Solution
- Step 1: Write the proportion equation
268,129,239.86 : 402,182,912.91 = 93,292,290.74 : x - Step 2: Convert to fraction form
268,129,239.86/402,182,912.91 = 93,292,290.74/x - Step 3: Cross multiply
268,129,239.86x = 402,182,912.91 × 93,292,290.74 - Step 4: Simplify right side
268,129,239.86x = 37,520,565,241,859,816 - Step 5: Solve for x
x = 37,520,565,241,859,816/268,129,239.86 - Step 6: Final answer
x = 139,934,627.28
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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.