Finding the Fourth Proportional to 96,639,728.04, 133,497,334.72 and 93,051,951.12
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Solution
The fourth proportional to 96,639,728.04, 133,497,334.72 and 93,051,951.12 is: 128,541,208.85
Step by Step Solution
- Step 1: Write the proportion equation
96,639,728.04 : 133,497,334.72 = 93,051,951.12 : x - Step 2: Convert to fraction form
96,639,728.04/133,497,334.72 = 93,051,951.12/x - Step 3: Cross multiply
96,639,728.04x = 133,497,334.72 × 93,051,951.12 - Step 4: Simplify right side
96,639,728.04x = 12,422,187,464,870,558 - Step 5: Solve for x
x = 12,422,187,464,870,558/96,639,728.04 - Step 6: Final answer
x = 128,541,208.85
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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.