Finding the Fourth Proportional to 42,133,073.70, 63,199,610.55 and 29,367,992.10
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Solution
The fourth proportional to 42,133,073.70, 63,199,610.55 and 29,367,992.10 is: 44,051,988.15
Step by Step Solution
- Step 1: Write the proportion equation
42,133,073.70 : 63,199,610.55 = 29,367,992.10 : x - Step 2: Convert to fraction form
42,133,073.70/63,199,610.55 = 29,367,992.10/x - Step 3: Cross multiply
42,133,073.70x = 63,199,610.55 × 29,367,992.10 - Step 4: Simplify right side
42,133,073.70x = 1,856,045,663,355,476.75 - Step 5: Solve for x
x = 1,856,045,663,355,476.75/42,133,073.70 - Step 6: Final answer
x = 44,051,988.15
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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.