Finding the Fourth Proportional to 115,879,911.93, 173,792,901.95 and 43,130,953.44
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Solution
The fourth proportional to 115,879,911.93, 173,792,901.95 and 43,130,953.44 is: 64,686,393.33
Step by Step Solution
- Step 1: Write the proportion equation
115,879,911.93 : 173,792,901.95 = 43,130,953.44 : x - Step 2: Convert to fraction form
115,879,911.93/173,792,901.95 = 43,130,953.44/x - Step 3: Cross multiply
115,879,911.93x = 173,792,901.95 × 43,130,953.44 - Step 4: Simplify right side
115,879,911.93x = 7,495,853,562,154,021 - Step 5: Solve for x
x = 7,495,853,562,154,021/115,879,911.93 - Step 6: Final answer
x = 64,686,393.33
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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.