Finding the Fourth Proportional to 69,674,804.54, 96,157,351.78 and 38,318,373.91
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Solution
The fourth proportional to 69,674,804.54, 96,157,351.78 and 38,318,373.91 is: 52,882,722.58
Step by Step Solution
- Step 1: Write the proportion equation
69,674,804.54 : 96,157,351.78 = 38,318,373.91 : x - Step 2: Convert to fraction form
69,674,804.54/96,157,351.78 = 38,318,373.91/x - Step 3: Cross multiply
69,674,804.54x = 96,157,351.78 × 38,318,373.91 - Step 4: Simplify right side
69,674,804.54x = 3,684,593,359,220,657.50 - Step 5: Solve for x
x = 3,684,593,359,220,657.50/69,674,804.54 - Step 6: Final answer
x = 52,882,722.58
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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.