Finding the Fourth Proportional to 126,902,400, 175,126,361.76 and 68,955,648
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Solution
The fourth proportional to 126,902,400, 175,126,361.76 and 68,955,648 is: 95,159,364.65
Step by Step Solution
- Step 1: Write the proportion equation
126,902,400 : 175,126,361.76 = 68,955,648 : x - Step 2: Convert to fraction form
126,902,400/175,126,361.76 = 68,955,648/x - Step 3: Cross multiply
126,902,400x = 175,126,361.76 × 68,955,648 - Step 4: Simplify right side
126,902,400x = 12,075,951,757,043,220 - Step 5: Solve for x
x = 12,075,951,757,043,220/126,902,400 - Step 6: Final answer
x = 95,159,364.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.