Finding the Fourth Proportional to 142,890,106.70, 214,064,715.09 and 84,422,937.26
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Solution
The fourth proportional to 142,890,106.70, 214,064,715.09 and 84,422,937.26 is: 126,474,620.45
Step by Step Solution
- Step 1: Write the proportion equation
142,890,106.70 : 214,064,715.09 = 84,422,937.26 : x - Step 2: Convert to fraction form
142,890,106.70/214,064,715.09 = 84,422,937.26/x - Step 3: Cross multiply
142,890,106.70x = 214,064,715.09 × 84,422,937.26 - Step 4: Simplify right side
142,890,106.70x = 18,071,972,011,622,848 - Step 5: Solve for x
x = 18,071,972,011,622,848/142,890,106.70 - Step 6: Final answer
x = 126,474,620.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.