Finding the Fourth Proportional to 117,515,462.40, 176,301,187.20 and 56,881,324.80
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Solution
The fourth proportional to 117,515,462.40, 176,301,187.20 and 56,881,324.80 is: 85,335,537.02
Step by Step Solution
- Step 1: Write the proportion equation
117,515,462.40 : 176,301,187.20 = 56,881,324.80 : x - Step 2: Convert to fraction form
117,515,462.40/176,301,187.20 = 56,881,324.80/x - Step 3: Cross multiply
117,515,462.40x = 176,301,187.20 × 56,881,324.80 - Step 4: Simplify right side
117,515,462.40x = 10,028,245,091,748,802 - Step 5: Solve for x
x = 10,028,245,091,748,802/117,515,462.40 - Step 6: Final answer
x = 85,335,537.02
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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.