Finding the Fourth Proportional to 307,779,234.84, 461,669,780.52 and 74,609,031.96
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Solution
The fourth proportional to 307,779,234.84, 461,669,780.52 and 74,609,031.96 is: 111,913,772.96
Step by Step Solution
- Step 1: Write the proportion equation
307,779,234.84 : 461,669,780.52 = 74,609,031.96 : x - Step 2: Convert to fraction form
307,779,234.84/461,669,780.52 = 74,609,031.96/x - Step 3: Cross multiply
307,779,234.84x = 461,669,780.52 × 74,609,031.96 - Step 4: Simplify right side
307,779,234.84x = 34,444,735,409,782,860 - Step 5: Solve for x
x = 34,444,735,409,782,860/307,779,234.84 - Step 6: Final answer
x = 111,913,772.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.