Finding the Fourth Proportional to 202,562,454.90, 279,535,089.84 and 113,254,381.56
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Solution
The fourth proportional to 202,562,454.90, 279,535,089.84 and 113,254,381.56 is: 156,290,432.70
Step by Step Solution
- Step 1: Write the proportion equation
202,562,454.90 : 279,535,089.84 = 113,254,381.56 : x - Step 2: Convert to fraction form
202,562,454.90/279,535,089.84 = 113,254,381.56/x - Step 3: Cross multiply
202,562,454.90x = 279,535,089.84 × 113,254,381.56 - Step 4: Simplify right side
202,562,454.90x = 31,658,573,724,148,236 - Step 5: Solve for x
x = 31,658,573,724,148,236/202,562,454.90 - Step 6: Final answer
x = 156,290,432.70
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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.