Finding the Fourth Proportional to 168,898,761.01, 253,386,343.39 and 91,173,996.71
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Solution
The fourth proportional to 168,898,761.01, 253,386,343.39 and 91,173,996.71 is: 136,781,616.99
Step by Step Solution
- Step 1: Write the proportion equation
168,898,761.01 : 253,386,343.39 = 91,173,996.71 : x - Step 2: Convert to fraction form
168,898,761.01/253,386,343.39 = 91,173,996.71/x - Step 3: Cross multiply
168,898,761.01x = 253,386,343.39 × 91,173,996.71 - Step 4: Simplify right side
168,898,761.01x = 23,102,245,639,004,320 - Step 5: Solve for x
x = 23,102,245,639,004,320/168,898,761.01 - Step 6: Final answer
x = 136,781,616.99
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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.