Finding the Fourth Proportional to 260,321,897.06, 359,243,232.42 and 142,849,193.18
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Solution
The fourth proportional to 260,321,897.06, 359,243,232.42 and 142,849,193.18 is: 197,131,345.79
Step by Step Solution
- Step 1: Write the proportion equation
260,321,897.06 : 359,243,232.42 = 142,849,193.18 : x - Step 2: Convert to fraction form
260,321,897.06/359,243,232.42 = 142,849,193.18/x - Step 3: Cross multiply
260,321,897.06x = 359,243,232.42 × 142,849,193.18 - Step 4: Simplify right side
260,321,897.06x = 51,317,605,906,572,224 - Step 5: Solve for x
x = 51,317,605,906,572,224/260,321,897.06 - Step 6: Final answer
x = 197,131,345.79
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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.