Finding the Fourth Proportional to 106,863,041.98, 147,471,281.85 and 57,970,469.98
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Solution
The fourth proportional to 106,863,041.98, 147,471,281.85 and 57,970,469.98 is: 79,999,402.59
Step by Step Solution
- Step 1: Write the proportion equation
106,863,041.98 : 147,471,281.85 = 57,970,469.98 : x - Step 2: Convert to fraction form
106,863,041.98/147,471,281.85 = 57,970,469.98/x - Step 3: Cross multiply
106,863,041.98x = 147,471,281.85 × 57,970,469.98 - Step 4: Simplify right side
106,863,041.98x = 8,548,979,517,397,543 - Step 5: Solve for x
x = 8,548,979,517,397,543/106,863,041.98 - Step 6: Final answer
x = 79,999,402.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.