Finding the Fourth Proportional to 115,068,659.74, 172,601,808.63 and 66,515,619.49
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Solution
The fourth proportional to 115,068,659.74, 172,601,808.63 and 66,515,619.49 is: 99,772,746.56
Step by Step Solution
- Step 1: Write the proportion equation
115,068,659.74 : 172,601,808.63 = 66,515,619.49 : x - Step 2: Convert to fraction form
115,068,659.74/172,601,808.63 = 66,515,619.49/x - Step 3: Cross multiply
115,068,659.74x = 172,601,808.63 × 66,515,619.49 - Step 4: Simplify right side
115,068,659.74x = 11,480,716,225,437,940 - Step 5: Solve for x
x = 11,480,716,225,437,940/115,068,659.74 - Step 6: Final answer
x = 99,772,746.56
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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.