Finding the Fourth Proportional to 64,451,172.79, 96,675,811.92 and 15,929,030.76
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Solution
The fourth proportional to 64,451,172.79, 96,675,811.92 and 15,929,030.76 is: 23,893,312.03
Step by Step Solution
- Step 1: Write the proportion equation
64,451,172.79 : 96,675,811.92 = 15,929,030.76 : x - Step 2: Convert to fraction form
64,451,172.79/96,675,811.92 = 15,929,030.76/x - Step 3: Cross multiply
64,451,172.79x = 96,675,811.92 × 15,929,030.76 - Step 4: Simplify right side
64,451,172.79x = 1,539,951,981,742,009.50 - Step 5: Solve for x
x = 1,539,951,981,742,009.50/64,451,172.79 - Step 6: Final answer
x = 23,893,312.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.