Finding the Fourth Proportional to 119,882,580.94, 165,437,960.12 and 64,878,437.44
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Solution
The fourth proportional to 119,882,580.94, 165,437,960.12 and 64,878,437.44 is: 89,532,242.81
Step by Step Solution
- Step 1: Write the proportion equation
119,882,580.94 : 165,437,960.12 = 64,878,437.44 : x - Step 2: Convert to fraction form
119,882,580.94/165,437,960.12 = 64,878,437.44/x - Step 3: Cross multiply
119,882,580.94x = 165,437,960.12 × 64,878,437.44 - Step 4: Simplify right side
119,882,580.94x = 10,733,356,345,846,634 - Step 5: Solve for x
x = 10,733,356,345,846,634/119,882,580.94 - Step 6: Final answer
x = 89,532,242.81
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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.