Finding the Fourth Proportional to 96,769,231.20, 145,153,846.80 and 58,473,986.40
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Solution
The fourth proportional to 96,769,231.20, 145,153,846.80 and 58,473,986.40 is: 87,710,979.60
Step by Step Solution
- Step 1: Write the proportion equation
96,769,231.20 : 145,153,846.80 = 58,473,986.40 : x - Step 2: Convert to fraction form
96,769,231.20/145,153,846.80 = 58,473,986.40/x - Step 3: Cross multiply
96,769,231.20x = 145,153,846.80 × 58,473,986.40 - Step 4: Simplify right side
96,769,231.20x = 8,487,724,063,690,884 - Step 5: Solve for x
x = 8,487,724,063,690,884/96,769,231.20 - Step 6: Final answer
x = 87,710,979.60
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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.