Finding the Fourth Proportional to 54,319,198.06, 75,157,885.04 and 47,364,378.14
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Solution
The fourth proportional to 54,319,198.06, 75,157,885.04 and 47,364,378.14 is: 65,534,960.28
Step by Step Solution
- Step 1: Write the proportion equation
54,319,198.06 : 75,157,885.04 = 47,364,378.14 : x - Step 2: Convert to fraction form
54,319,198.06/75,157,885.04 = 47,364,378.14/x - Step 3: Cross multiply
54,319,198.06x = 75,157,885.04 × 47,364,378.14 - Step 4: Simplify right side
54,319,198.06x = 3,559,806,487,237,209.50 - Step 5: Solve for x
x = 3,559,806,487,237,209.50/54,319,198.06 - Step 6: Final answer
x = 65,534,960.28
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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.