Finding the Fourth Proportional to 86,716,380.12, 119,670,801.66 and 47,559,715.80
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Solution
The fourth proportional to 86,716,380.12, 119,670,801.66 and 47,559,715.80 is: 65,633,612.80
Step by Step Solution
- Step 1: Write the proportion equation
86,716,380.12 : 119,670,801.66 = 47,559,715.80 : x - Step 2: Convert to fraction form
86,716,380.12/119,670,801.66 = 47,559,715.80/x - Step 3: Cross multiply
86,716,380.12x = 119,670,801.66 × 47,559,715.80 - Step 4: Simplify right side
86,716,380.12x = 5,691,509,316,507,768 - Step 5: Solve for x
x = 5,691,509,316,507,768/86,716,380.12 - Step 6: Final answer
x = 65,633,612.80
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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.