Finding the Fourth Proportional to 53,966,990.55, 74,474,446.98 and 29,187,177.41
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Solution
The fourth proportional to 53,966,990.55, 74,474,446.98 and 29,187,177.41 is: 40,278,304.83
Step by Step Solution
- Step 1: Write the proportion equation
53,966,990.55 : 74,474,446.98 = 29,187,177.41 : x - Step 2: Convert to fraction form
53,966,990.55/74,474,446.98 = 29,187,177.41/x - Step 3: Cross multiply
53,966,990.55x = 74,474,446.98 × 29,187,177.41 - Step 4: Simplify right side
53,966,990.55x = 2,173,698,896,144,526.75 - Step 5: Solve for x
x = 2,173,698,896,144,526.75/53,966,990.55 - Step 6: Final answer
x = 40,278,304.83
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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.