Finding the Fourth Proportional to 289,929,243.09, 400,102,420.91 and 159,549,051.09
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Solution
The fourth proportional to 289,929,243.09, 400,102,420.91 and 159,549,051.09 is: 220,177,726.52
Step by Step Solution
- Step 1: Write the proportion equation
289,929,243.09 : 400,102,420.91 = 159,549,051.09 : x - Step 2: Convert to fraction form
289,929,243.09/400,102,420.91 = 159,549,051.09/x - Step 3: Cross multiply
289,929,243.09x = 400,102,420.91 × 159,549,051.09 - Step 4: Simplify right side
289,929,243.09x = 63,835,961,594,204,528 - Step 5: Solve for x
x = 63,835,961,594,204,528/289,929,243.09 - Step 6: Final answer
x = 220,177,726.52
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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.