Finding the Fourth Proportional to 52,053,237.16, 71,817,052.58 and 30,023,782.99
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Solution
The fourth proportional to 52,053,237.16, 71,817,052.58 and 30,023,782.99 is: 41,423,352.69
Step by Step Solution
- Step 1: Write the proportion equation
52,053,237.16 : 71,817,052.58 = 30,023,782.99 : x - Step 2: Convert to fraction form
52,053,237.16/71,817,052.58 = 30,023,782.99/x - Step 3: Cross multiply
52,053,237.16x = 71,817,052.58 × 30,023,782.99 - Step 4: Simplify right side
52,053,237.16x = 2,156,219,601,426,267.25 - Step 5: Solve for x
x = 2,156,219,601,426,267.25/52,053,237.16 - Step 6: Final answer
x = 41,423,352.69
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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.