Finding the Fourth Proportional to 220,786,803.01, 304,687,803.12 and 121,671,106.66
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Solution
The fourth proportional to 220,786,803.01, 304,687,803.12 and 121,671,106.66 is: 167,907,237.60
Step by Step Solution
- Step 1: Write the proportion equation
220,786,803.01 : 304,687,803.12 = 121,671,106.66 : x - Step 2: Convert to fraction form
220,786,803.01/304,687,803.12 = 121,671,106.66/x - Step 3: Cross multiply
220,786,803.01x = 304,687,803.12 × 121,671,106.66 - Step 4: Simplify right side
220,786,803.01x = 37,071,702,191,414,600 - Step 5: Solve for x
x = 37,071,702,191,414,600/220,786,803.01 - Step 6: Final answer
x = 167,907,237.60
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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.