Finding the Fourth Proportional to 214,515,889.92, 296,038,618.56 and 121,700,309.76
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Solution
The fourth proportional to 214,515,889.92, 296,038,618.56 and 121,700,309.76 is: 167,950,223.14
Step by Step Solution
- Step 1: Write the proportion equation
214,515,889.92 : 296,038,618.56 = 121,700,309.76 : x - Step 2: Convert to fraction form
214,515,889.92/296,038,618.56 = 121,700,309.76/x - Step 3: Cross multiply
214,515,889.92x = 296,038,618.56 × 121,700,309.76 - Step 4: Simplify right side
214,515,889.92x = 36,027,991,579,674,488 - Step 5: Solve for x
x = 36,027,991,579,674,488/214,515,889.92 - Step 6: Final answer
x = 167,950,223.14
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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.