Finding the Fourth Proportional to 119,882,804.76, 165,438,268.56 and 64,878,661.26
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Solution
The fourth proportional to 119,882,804.76, 165,438,268.56 and 64,878,661.26 is: 89,532,551.45
Step by Step Solution
- Step 1: Write the proportion equation
119,882,804.76 : 165,438,268.56 = 64,878,661.26 : x - Step 2: Convert to fraction form
119,882,804.76/165,438,268.56 = 64,878,661.26/x - Step 3: Cross multiply
119,882,804.76x = 165,438,268.56 × 64,878,661.26 - Step 4: Simplify right side
119,882,804.76x = 10,733,413,385,345,148 - Step 5: Solve for x
x = 10,733,413,385,345,148/119,882,804.76 - Step 6: Final answer
x = 89,532,551.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.