Finding the Fourth Proportional to 159,447,576.90, 239,148,655.50 and 50,258,557.74
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Solution
The fourth proportional to 159,447,576.90, 239,148,655.50 and 50,258,557.74 is: 75,380,678.37
Step by Step Solution
- Step 1: Write the proportion equation
159,447,576.90 : 239,148,655.50 = 50,258,557.74 : x - Step 2: Convert to fraction form
159,447,576.90/239,148,655.50 = 50,258,557.74/x - Step 3: Cross multiply
159,447,576.90x = 239,148,655.50 × 50,258,557.74 - Step 4: Simplify right side
159,447,576.90x = 12,019,266,510,890,120 - Step 5: Solve for x
x = 12,019,266,510,890,120/159,447,576.90 - Step 6: Final answer
x = 75,380,678.37
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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.