Finding the Fourth Proportional to 86,357,374.29, 119,169,936.99 and 47,198,833.11
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Solution
The fourth proportional to 86,357,374.29, 119,169,936.99 and 47,198,833.11 is: 65,132,619.12
Step by Step Solution
- Step 1: Write the proportion equation
86,357,374.29 : 119,169,936.99 = 47,198,833.11 : x - Step 2: Convert to fraction form
86,357,374.29/119,169,936.99 = 47,198,833.11/x - Step 3: Cross multiply
86,357,374.29x = 119,169,936.99 × 47,198,833.11 - Step 4: Simplify right side
86,357,374.29x = 5,624,681,967,720,225 - Step 5: Solve for x
x = 5,624,681,967,720,225/86,357,374.29 - Step 6: Final answer
x = 65,132,619.12
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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.