Finding the Fourth Proportional to 212,423,029.12, 291,020,588.15 and 204,461,462.01
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Solution
The fourth proportional to 212,423,029.12, 291,020,588.15 and 204,461,462.01 is: 280,113,202.29
Step by Step Solution
- Step 1: Write the proportion equation
212,423,029.12 : 291,020,588.15 = 204,461,462.01 : x - Step 2: Convert to fraction form
212,423,029.12/291,020,588.15 = 204,461,462.01/x - Step 3: Cross multiply
212,423,029.12x = 291,020,588.15 × 204,461,462.01 - Step 4: Simplify right side
212,423,029.12x = 59,502,494,928,228,096 - Step 5: Solve for x
x = 59,502,494,928,228,096/212,423,029.12 - Step 6: Final answer
x = 280,113,202.29
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.