Finding the Fourth Proportional to 163,763,762.86, 245,730,659.73 and 66,790,614.70
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Solution
The fourth proportional to 163,763,762.86, 245,730,659.73 and 66,790,614.70 is: 100,220,595.37
Step by Step Solution
- Step 1: Write the proportion equation
163,763,762.86 : 245,730,659.73 = 66,790,614.70 : x - Step 2: Convert to fraction form
163,763,762.86/245,730,659.73 = 66,790,614.70/x - Step 3: Cross multiply
163,763,762.86x = 245,730,659.73 × 66,790,614.70 - Step 4: Simplify right side
163,763,762.86x = 16,412,501,814,003,236 - Step 5: Solve for x
x = 16,412,501,814,003,236/163,763,762.86 - Step 6: Final answer
x = 100,220,595.37
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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.