Finding the Fourth Proportional to 178,073,939.04, 245,972,553.84 and 147,258,584.16
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Solution
The fourth proportional to 178,073,939.04, 245,972,553.84 and 147,258,584.16 is: 203,407,473.41
Step by Step Solution
- Step 1: Write the proportion equation
178,073,939.04 : 245,972,553.84 = 147,258,584.16 : x - Step 2: Convert to fraction form
178,073,939.04/245,972,553.84 = 147,258,584.16/x - Step 3: Cross multiply
178,073,939.04x = 245,972,553.84 × 147,258,584.16 - Step 4: Simplify right side
178,073,939.04x = 36,221,570,020,697,768 - Step 5: Solve for x
x = 36,221,570,020,697,768/178,073,939.04 - Step 6: Final answer
x = 203,407,473.41
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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.