Finding the Fourth Proportional to 310,184,722.13, 428,053,623.05 and 170,955,151.61
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Solution
The fourth proportional to 310,184,722.13, 428,053,623.05 and 170,955,151.61 is: 235,917,396.33
Step by Step Solution
- Step 1: Write the proportion equation
310,184,722.13 : 428,053,623.05 = 170,955,151.61 : x - Step 2: Convert to fraction form
310,184,722.13/428,053,623.05 = 170,955,151.61/x - Step 3: Cross multiply
310,184,722.13x = 428,053,623.05 × 170,955,151.61 - Step 4: Simplify right side
310,184,722.13x = 73,177,972,024,867,776 - Step 5: Solve for x
x = 73,177,972,024,867,776/310,184,722.13 - Step 6: Final answer
x = 235,917,396.33
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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.