Finding the Fourth Proportional to 115,658,905.59, 159,608,359.84 and 62,735,481.63
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Solution
The fourth proportional to 115,658,905.59, 159,608,359.84 and 62,735,481.63 is: 86,574,460.27
Step by Step Solution
- Step 1: Write the proportion equation
115,658,905.59 : 159,608,359.84 = 62,735,481.63 : x - Step 2: Convert to fraction form
115,658,905.59/159,608,359.84 = 62,735,481.63/x - Step 3: Cross multiply
115,658,905.59x = 159,608,359.84 × 62,735,481.63 - Step 4: Simplify right side
115,658,905.59x = 10,013,107,326,736,750 - Step 5: Solve for x
x = 10,013,107,326,736,750/115,658,905.59 - Step 6: Final answer
x = 86,574,460.27
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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.