Finding the Fourth Proportional to 96,775,895.80, 145,163,843.70 and 42,923,207.80
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Solution
The fourth proportional to 96,775,895.80, 145,163,843.70 and 42,923,207.80 is: 64,384,811.70
Step by Step Solution
- Step 1: Write the proportion equation
96,775,895.80 : 145,163,843.70 = 42,923,207.80 : x - Step 2: Convert to fraction form
96,775,895.80/145,163,843.70 = 42,923,207.80/x - Step 3: Cross multiply
96,775,895.80x = 145,163,843.70 × 42,923,207.80 - Step 4: Simplify right side
96,775,895.80x = 6,230,897,828,181,820 - Step 5: Solve for x
x = 6,230,897,828,181,820/96,775,895.80 - Step 6: Final answer
x = 64,384,811.70
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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.