Finding the Fourth Proportional to 293,849,199.99, 405,499,738.14 and 159,887,667.62
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Solution
The fourth proportional to 293,849,199.99, 405,499,738.14 and 159,887,667.62 is: 220,638,366.06
Step by Step Solution
- Step 1: Write the proportion equation
293,849,199.99 : 405,499,738.14 = 159,887,667.62 : x - Step 2: Convert to fraction form
293,849,199.99/405,499,738.14 = 159,887,667.62/x - Step 3: Cross multiply
293,849,199.99x = 405,499,738.14 × 159,887,667.62 - Step 4: Simplify right side
293,849,199.99x = 64,834,407,352,739,104 - Step 5: Solve for x
x = 64,834,407,352,739,104/293,849,199.99 - Step 6: Final answer
x = 220,638,366.06
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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.