Finding the Fourth Proportional to 115,941,765.82, 159,998,693.70 and 63,730,246.36
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Solution
The fourth proportional to 115,941,765.82, 159,998,693.70 and 63,730,246.36 is: 87,947,221.56
Step by Step Solution
- Step 1: Write the proportion equation
115,941,765.82 : 159,998,693.70 = 63,730,246.36 : x - Step 2: Convert to fraction form
115,941,765.82/159,998,693.70 = 63,730,246.36/x - Step 3: Cross multiply
115,941,765.82x = 159,998,693.70 × 63,730,246.36 - Step 4: Simplify right side
115,941,765.82x = 10,196,756,166,779,180 - Step 5: Solve for x
x = 10,196,756,166,779,180/115,941,765.82 - Step 6: Final answer
x = 87,947,221.56
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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.