Finding the Fourth Proportional to 310,847,923.13, 429,007,750.79 and 176,918,404.18
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Solution
The fourth proportional to 310,847,923.13, 429,007,750.79 and 176,918,404.18 is: 244,168,807.32
Step by Step Solution
- Step 1: Write the proportion equation
310,847,923.13 : 429,007,750.79 = 176,918,404.18 : x - Step 2: Convert to fraction form
310,847,923.13/429,007,750.79 = 176,918,404.18/x - Step 3: Cross multiply
310,847,923.13x = 429,007,750.79 × 176,918,404.18 - Step 4: Simplify right side
310,847,923.13x = 75,899,366,649,463,072 - Step 5: Solve for x
x = 75,899,366,649,463,072/310,847,923.13 - Step 6: Final answer
x = 244,168,807.32
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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.