Finding the Fourth Proportional to 315,589,397.67, 435,513,960.09 and 176,360,159.79
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Solution
The fourth proportional to 315,589,397.67, 435,513,960.09 and 176,360,159.79 is: 243,377,350.95
Step by Step Solution
- Step 1: Write the proportion equation
315,589,397.67 : 435,513,960.09 = 176,360,159.79 : x - Step 2: Convert to fraction form
315,589,397.67/435,513,960.09 = 176,360,159.79/x - Step 3: Cross multiply
315,589,397.67x = 435,513,960.09 × 176,360,159.79 - Step 4: Simplify right side
315,589,397.67x = 76,807,311,592,248,080 - Step 5: Solve for x
x = 76,807,311,592,248,080/315,589,397.67 - Step 6: Final answer
x = 243,377,350.95
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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.