Finding the Fourth Proportional to 91,397,652.57, 126,128,760.55 and 52,240,270.07
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Solution
The fourth proportional to 91,397,652.57, 126,128,760.55 and 52,240,270.07 is: 72,091,572.70
Step by Step Solution
- Step 1: Write the proportion equation
91,397,652.57 : 126,128,760.55 = 52,240,270.07 : x - Step 2: Convert to fraction form
91,397,652.57/126,128,760.55 = 52,240,270.07/x - Step 3: Cross multiply
91,397,652.57x = 126,128,760.55 × 52,240,270.07 - Step 4: Simplify right side
91,397,652.57x = 6,589,000,514,911,083 - Step 5: Solve for x
x = 6,589,000,514,911,083/91,397,652.57 - Step 6: Final answer
x = 72,091,572.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.