Finding the Fourth Proportional to 118,332,798.48, 163,315,484.07 and 68,095,984.65
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Solution
The fourth proportional to 118,332,798.48, 163,315,484.07 and 68,095,984.65 is: 93,981,794.05
Step by Step Solution
- Step 1: Write the proportion equation
118,332,798.48 : 163,315,484.07 = 68,095,984.65 : x - Step 2: Convert to fraction form
118,332,798.48/163,315,484.07 = 68,095,984.65/x - Step 3: Cross multiply
118,332,798.48x = 163,315,484.07 × 68,095,984.65 - Step 4: Simplify right side
118,332,798.48x = 11,121,128,696,338,040 - Step 5: Solve for x
x = 11,121,128,696,338,040/118,332,798.48 - Step 6: Final answer
x = 93,981,794.05
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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.