Finding the Fourth Proportional to 57,202,937.23, 78,936,701.21 and 31,097,226.70
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Solution
The fourth proportional to 57,202,937.23, 78,936,701.21 and 31,097,226.70 is: 42,912,350.51
Step by Step Solution
- Step 1: Write the proportion equation
57,202,937.23 : 78,936,701.21 = 31,097,226.70 : x - Step 2: Convert to fraction form
57,202,937.23/78,936,701.21 = 31,097,226.70/x - Step 3: Cross multiply
57,202,937.23x = 78,936,701.21 × 31,097,226.70 - Step 4: Simplify right side
57,202,937.23x = 2,454,712,492,477,534 - Step 5: Solve for x
x = 2,454,712,492,477,534/57,202,937.23 - Step 6: Final answer
x = 42,912,350.51
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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.