Finding the Fourth Proportional to 91,046,756.70, 125,646,677.04 and 51,892,176.72
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Solution
The fourth proportional to 91,046,756.70, 125,646,677.04 and 51,892,176.72 is: 71,612,430.86
Step by Step Solution
- Step 1: Write the proportion equation
91,046,756.70 : 125,646,677.04 = 51,892,176.72 : x - Step 2: Convert to fraction form
91,046,756.70/125,646,677.04 = 51,892,176.72/x - Step 3: Cross multiply
91,046,756.70x = 125,646,677.04 × 51,892,176.72 - Step 4: Simplify right side
91,046,756.70x = 6,520,079,569,240,447 - Step 5: Solve for x
x = 6,520,079,569,240,447/91,046,756.70 - Step 6: Final answer
x = 71,612,430.86
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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.