Finding the Fourth Proportional to 96,756,918.48, 133,515,681.12 and 57,608,218.80
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Solution
The fourth proportional to 96,756,918.48, 133,515,681.12 and 57,608,218.80 is: 79,494,062.98
Step by Step Solution
- Step 1: Write the proportion equation
96,756,918.48 : 133,515,681.12 = 57,608,218.80 : x - Step 2: Convert to fraction form
96,756,918.48/133,515,681.12 = 57,608,218.80/x - Step 3: Cross multiply
96,756,918.48x = 133,515,681.12 × 57,608,218.80 - Step 4: Simplify right side
96,756,918.48x = 7,691,600,571,191,989 - Step 5: Solve for x
x = 7,691,600,571,191,989/96,756,918.48 - Step 6: Final answer
x = 79,494,062.98
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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.