Finding the Fourth Proportional to 86,301,736.81, 129,451,718.05 and 49,886,956.42
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Solution
The fourth proportional to 86,301,736.81, 129,451,718.05 and 49,886,956.42 is: 74,829,921.80
Step by Step Solution
- Step 1: Write the proportion equation
86,301,736.81 : 129,451,718.05 = 49,886,956.42 : x - Step 2: Convert to fraction form
86,301,736.81/129,451,718.05 = 49,886,956.42/x - Step 3: Cross multiply
86,301,736.81x = 129,451,718.05 × 49,886,956.42 - Step 4: Simplify right side
86,301,736.81x = 6,457,952,216,854,477 - Step 5: Solve for x
x = 6,457,952,216,854,477/86,301,736.81 - Step 6: Final answer
x = 74,829,921.80
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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.