Finding the Fourth Proportional to 73,852,813.09, 110,680,197.12 and 57,477,870.70
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Solution
The fourth proportional to 73,852,813.09, 110,680,197.12 and 57,477,870.70 is: 86,139,739.20
Step by Step Solution
- Step 1: Write the proportion equation
73,852,813.09 : 110,680,197.12 = 57,477,870.70 : x - Step 2: Convert to fraction form
73,852,813.09/110,680,197.12 = 57,477,870.70/x - Step 3: Cross multiply
73,852,813.09x = 110,680,197.12 × 57,477,870.70 - Step 4: Simplify right side
73,852,813.09x = 6,361,662,059,113,873 - Step 5: Solve for x
x = 6,361,662,059,113,873/73,852,813.09 - Step 6: Final answer
x = 86,139,739.20
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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.