Finding the Fourth Proportional to 92,403,521.86, 138,741,536.54 and 51,542,794.84
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Solution
The fourth proportional to 92,403,521.86, 138,741,536.54 and 51,542,794.84 is: 77,390,194.76
Step by Step Solution
- Step 1: Write the proportion equation
92,403,521.86 : 138,741,536.54 = 51,542,794.84 : x - Step 2: Convert to fraction form
92,403,521.86/138,741,536.54 = 51,542,794.84/x - Step 3: Cross multiply
92,403,521.86x = 138,741,536.54 × 51,542,794.84 - Step 4: Simplify right side
92,403,521.86x = 7,151,126,553,420,055 - Step 5: Solve for x
x = 7,151,126,553,420,055/92,403,521.86 - Step 6: Final answer
x = 77,390,194.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.