Finding the Fourth Proportional to 86,316,107.76, 129,386,919.84 and 37,164,022.08
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Solution
The fourth proportional to 86,316,107.76, 129,386,919.84 and 37,164,022.08 is: 55,708,470.53
Step by Step Solution
- Step 1: Write the proportion equation
86,316,107.76 : 129,386,919.84 = 37,164,022.08 : x - Step 2: Convert to fraction form
86,316,107.76/129,386,919.84 = 37,164,022.08/x - Step 3: Cross multiply
86,316,107.76x = 129,386,919.84 × 37,164,022.08 - Step 4: Simplify right side
86,316,107.76x = 4,808,538,345,796,950 - Step 5: Solve for x
x = 4,808,538,345,796,950/86,316,107.76 - Step 6: Final answer
x = 55,708,470.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.