Finding the Fourth Proportional to 96,384,851.91, 133,120,609.79 and 64,968,717.20
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Solution
The fourth proportional to 96,384,851.91, 133,120,609.79 and 64,968,717.20 is: 89,730,648.32
Step by Step Solution
- Step 1: Write the proportion equation
96,384,851.91 : 133,120,609.79 = 64,968,717.20 : x - Step 2: Convert to fraction form
96,384,851.91/133,120,609.79 = 64,968,717.20/x - Step 3: Cross multiply
96,384,851.91x = 133,120,609.79 × 64,968,717.20 - Step 4: Simplify right side
96,384,851.91x = 8,648,675,249,947,615 - Step 5: Solve for x
x = 8,648,675,249,947,615/96,384,851.91 - Step 6: Final answer
x = 89,730,648.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.