Finding the Fourth Proportional to 81,006,287.19, 121,516,813.71 and 26,404,857.87
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Solution
The fourth proportional to 81,006,287.19, 121,516,813.71 and 26,404,857.87 is: 39,609,693.35
Step by Step Solution
- Step 1: Write the proportion equation
81,006,287.19 : 121,516,813.71 = 26,404,857.87 : x - Step 2: Convert to fraction form
81,006,287.19/121,516,813.71 = 26,404,857.87/x - Step 3: Cross multiply
81,006,287.19x = 121,516,813.71 × 26,404,857.87 - Step 4: Simplify right side
81,006,287.19x = 3,208,634,194,827,817.50 - Step 5: Solve for x
x = 3,208,634,194,827,817.50/81,006,287.19 - Step 6: Final answer
x = 39,609,693.35
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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.