Finding the Fourth Proportional to 175,765,603.20, 263,461,780.80 and 84,829,948.80
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Solution
The fourth proportional to 175,765,603.20, 263,461,780.80 and 84,829,948.80 is: 127,154,852.65
Step by Step Solution
- Step 1: Write the proportion equation
175,765,603.20 : 263,461,780.80 = 84,829,948.80 : x - Step 2: Convert to fraction form
175,765,603.20/263,461,780.80 = 84,829,948.80/x - Step 3: Cross multiply
175,765,603.20x = 263,461,780.80 × 84,829,948.80 - Step 4: Simplify right side
175,765,603.20x = 22,349,449,376,020,824 - Step 5: Solve for x
x = 22,349,449,376,020,824/175,765,603.20 - Step 6: Final answer
x = 127,154,852.65
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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.