Finding the Fourth Proportional to 83,016,793.80, 124,578,334.80 and 48,473,128.80
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Solution
The fourth proportional to 83,016,793.80, 124,578,334.80 and 48,473,128.80 is: 72,740,723.80
Step by Step Solution
- Step 1: Write the proportion equation
83,016,793.80 : 124,578,334.80 = 48,473,128.80 : x - Step 2: Convert to fraction form
83,016,793.80/124,578,334.80 = 48,473,128.80/x - Step 3: Cross multiply
83,016,793.80x = 124,578,334.80 × 48,473,128.80 - Step 4: Simplify right side
83,016,793.80x = 6,038,701,668,449,922 - Step 5: Solve for x
x = 6,038,701,668,449,922/83,016,793.80 - Step 6: Final answer
x = 72,740,723.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.