Finding the Fourth Proportional to 319,177,330.36, 478,851,288.50 and 114,707,177.08
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Solution
The fourth proportional to 319,177,330.36, 478,851,288.50 and 114,707,177.08 is: 172,091,418.53
Step by Step Solution
- Step 1: Write the proportion equation
319,177,330.36 : 478,851,288.50 = 114,707,177.08 : x - Step 2: Convert to fraction form
319,177,330.36/478,851,288.50 = 114,707,177.08/x - Step 3: Cross multiply
319,177,330.36x = 478,851,288.50 × 114,707,177.08 - Step 4: Simplify right side
319,177,330.36x = 54,927,679,544,955,664 - Step 5: Solve for x
x = 54,927,679,544,955,664/319,177,330.36 - Step 6: Final answer
x = 172,091,418.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.