Finding the Fourth Proportional to 54,184,931.62, 74,775,401.40 and 29,405,113.09
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Solution
The fourth proportional to 54,184,931.62, 74,775,401.40 and 29,405,113.09 is: 40,579,162.30
Step by Step Solution
- Step 1: Write the proportion equation
54,184,931.62 : 74,775,401.40 = 29,405,113.09 : x - Step 2: Convert to fraction form
54,184,931.62/74,775,401.40 = 29,405,113.09/x - Step 3: Cross multiply
54,184,931.62x = 74,775,401.40 × 29,405,113.09 - Step 4: Simplify right side
54,184,931.62x = 2,198,779,134,440,475 - Step 5: Solve for x
x = 2,198,779,134,440,475/54,184,931.62 - Step 6: Final answer
x = 40,579,162.30
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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.