Finding the Fourth Proportional to 108,193,708.74, 149,310,928.89 and 59,301,262.02
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Solution
The fourth proportional to 108,193,708.74, 149,310,928.89 and 59,301,262.02 is: 81,837,720.69
Step by Step Solution
- Step 1: Write the proportion equation
108,193,708.74 : 149,310,928.89 = 59,301,262.02 : x - Step 2: Convert to fraction form
108,193,708.74/149,310,928.89 = 59,301,262.02/x - Step 3: Cross multiply
108,193,708.74x = 149,310,928.89 × 59,301,262.02 - Step 4: Simplify right side
108,193,708.74x = 8,854,326,516,555,477 - Step 5: Solve for x
x = 8,854,326,516,555,477/108,193,708.74 - Step 6: Final answer
x = 81,837,720.69
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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.