Finding the Fourth Proportional to 247,102,508.78, 341,000,526.36 and 135,595,215.26
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Solution
The fourth proportional to 247,102,508.78, 341,000,526.36 and 135,595,215.26 is: 187,120,883.57
Step by Step Solution
- Step 1: Write the proportion equation
247,102,508.78 : 341,000,526.36 = 135,595,215.26 : x - Step 2: Convert to fraction form
247,102,508.78/341,000,526.36 = 135,595,215.26/x - Step 3: Cross multiply
247,102,508.78x = 341,000,526.36 × 135,595,215.26 - Step 4: Simplify right side
247,102,508.78x = 46,238,039,775,557,504 - Step 5: Solve for x
x = 46,238,039,775,557,504/247,102,508.78 - Step 6: Final answer
x = 187,120,883.57
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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.