Finding the Fourth Proportional to 213,341,688.24, 294,411,539.52 and 115,556,544.24
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Solution
The fourth proportional to 213,341,688.24, 294,411,539.52 and 115,556,544.24 is: 159,468,036.33
Step by Step Solution
- Step 1: Write the proportion equation
213,341,688.24 : 294,411,539.52 = 115,556,544.24 : x - Step 2: Convert to fraction form
213,341,688.24/294,411,539.52 = 115,556,544.24/x - Step 3: Cross multiply
213,341,688.24x = 294,411,539.52 × 115,556,544.24 - Step 4: Simplify right side
213,341,688.24x = 34,021,180,091,309,384 - Step 5: Solve for x
x = 34,021,180,091,309,384/213,341,688.24 - Step 6: Final answer
x = 159,468,036.33
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1.5x scale
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.