Finding the Fourth Proportional to 279,777,051.92, 386,092,703.58 and 154,326,418
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Solution
The fourth proportional to 279,777,051.92, 386,092,703.58 and 154,326,418 is: 212,970,662.00
Step by Step Solution
- Step 1: Write the proportion equation
279,777,051.92 : 386,092,703.58 = 154,326,418 : x - Step 2: Convert to fraction form
279,777,051.92/386,092,703.58 = 154,326,418/x - Step 3: Cross multiply
279,777,051.92x = 386,092,703.58 × 154,326,418 - Step 4: Simplify right side
279,777,051.92x = 59,584,303,959,437,176 - Step 5: Solve for x
x = 59,584,303,959,437,176/279,777,051.92 - Step 6: Final answer
x = 212,970,662.00
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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.