Finding the Fourth Proportional to 99,319,559.94, 148,882,684.08 and 47,490,776.42
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Solution
The fourth proportional to 99,319,559.94, 148,882,684.08 and 47,490,776.42 is: 71,189,947.54
Step by Step Solution
- Step 1: Write the proportion equation
99,319,559.94 : 148,882,684.08 = 47,490,776.42 : x - Step 2: Convert to fraction form
99,319,559.94/148,882,684.08 = 47,490,776.42/x - Step 3: Cross multiply
99,319,559.94x = 148,882,684.08 × 47,490,776.42 - Step 4: Simplify right side
99,319,559.94x = 7,070,554,262,548,128 - Step 5: Solve for x
x = 7,070,554,262,548,128/99,319,559.94 - Step 6: Final answer
x = 71,189,947.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.