Finding the Fourth Proportional to 292,786,663.84, 439,181,021.76 and 74,437,029.36
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Solution
The fourth proportional to 292,786,663.84, 439,181,021.76 and 74,437,029.36 is: 111,655,804.89
Step by Step Solution
- Step 1: Write the proportion equation
292,786,663.84 : 439,181,021.76 = 74,437,029.36 : x - Step 2: Convert to fraction form
292,786,663.84/439,181,021.76 = 74,437,029.36/x - Step 3: Cross multiply
292,786,663.84x = 439,181,021.76 × 74,437,029.36 - Step 4: Simplify right side
292,786,663.84x = 32,691,330,611,103,916 - Step 5: Solve for x
x = 32,691,330,611,103,916/292,786,663.84 - Step 6: Final answer
x = 111,655,804.89
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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.