Finding the Fourth Proportional to 307,967,067.13, 424,889,926.55 and 175,713,053.53
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Solution
The fourth proportional to 307,967,067.13, 424,889,926.55 and 175,713,053.53 is: 242,424,318.62
Step by Step Solution
- Step 1: Write the proportion equation
307,967,067.13 : 424,889,926.55 = 175,713,053.53 : x - Step 2: Convert to fraction form
307,967,067.13/424,889,926.55 = 175,713,053.53/x - Step 3: Cross multiply
307,967,067.13x = 424,889,926.55 × 175,713,053.53 - Step 4: Simplify right side
307,967,067.13x = 74,658,706,405,234,912 - Step 5: Solve for x
x = 74,658,706,405,234,912/307,967,067.13 - Step 6: Final answer
x = 242,424,318.62
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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.