Finding the Fourth Proportional to 175,765,627.20, 263,461,816.80 and 84,829,972.80
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Solution
The fourth proportional to 175,765,627.20, 263,461,816.80 and 84,829,972.80 is: 127,154,888.64
Step by Step Solution
- Step 1: Write the proportion equation
175,765,627.20 : 263,461,816.80 = 84,829,972.80 : x - Step 2: Convert to fraction form
175,765,627.20/263,461,816.80 = 84,829,972.80/x - Step 3: Cross multiply
175,765,627.20x = 263,461,816.80 × 84,829,972.80 - Step 4: Simplify right side
175,765,627.20x = 22,349,458,752,982,584 - Step 5: Solve for x
x = 22,349,458,752,982,584/175,765,627.20 - Step 6: Final answer
x = 127,154,888.64
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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.