Finding the Fourth Proportional to 260,407,651.24, 359,361,296.68 and 142,934,980.12
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Solution
The fourth proportional to 260,407,651.24, 359,361,296.68 and 142,934,980.12 is: 197,249,579.85
Step by Step Solution
- Step 1: Write the proportion equation
260,407,651.24 : 359,361,296.68 = 142,934,980.12 : x - Step 2: Convert to fraction form
260,407,651.24/359,361,296.68 = 142,934,980.12/x - Step 3: Cross multiply
260,407,651.24x = 359,361,296.68 × 142,934,980.12 - Step 4: Simplify right side
260,407,651.24x = 51,365,299,796,853,224 - Step 5: Solve for x
x = 51,365,299,796,853,224/260,407,651.24 - Step 6: Final answer
x = 197,249,579.85
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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.