Finding the Fourth Proportional to 115,698,430.53, 159,673,751.01 and 63,497,556.90
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Solution
The fourth proportional to 115,698,430.53, 159,673,751.01 and 63,497,556.90 is: 87,632,071.10
Step by Step Solution
- Step 1: Write the proportion equation
115,698,430.53 : 159,673,751.01 = 63,497,556.90 : x - Step 2: Convert to fraction form
115,698,430.53/159,673,751.01 = 63,497,556.90/x - Step 3: Cross multiply
115,698,430.53x = 159,673,751.01 × 63,497,556.90 - Step 4: Simplify right side
115,698,430.53x = 10,138,893,090,193,906 - Step 5: Solve for x
x = 10,138,893,090,193,906/115,698,430.53 - Step 6: Final answer
x = 87,632,071.10
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.