Finding the Fourth Proportional to 119,882,778.81, 165,438,232.68 and 64,878,635.31
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Solution
The fourth proportional to 119,882,778.81, 165,438,232.68 and 64,878,635.31 is: 89,532,515.60
Step by Step Solution
- Step 1: Write the proportion equation
119,882,778.81 : 165,438,232.68 = 64,878,635.31 : x - Step 2: Convert to fraction form
119,882,778.81/165,438,232.68 = 64,878,635.31/x - Step 3: Cross multiply
119,882,778.81x = 165,438,232.68 × 64,878,635.31 - Step 4: Simplify right side
119,882,778.81x = 10,733,406,764,376,644 - Step 5: Solve for x
x = 10,733,406,764,376,644/119,882,778.81 - Step 6: Final answer
x = 89,532,515.60
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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.