Finding the Fourth Proportional to 72,242,990.85, 99,695,395.43 and 41,303,808.03
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Solution
The fourth proportional to 72,242,990.85, 99,695,395.43 and 41,303,808.03 is: 56,999,293.99
Step by Step Solution
- Step 1: Write the proportion equation
72,242,990.85 : 99,695,395.43 = 41,303,808.03 : x - Step 2: Convert to fraction form
72,242,990.85/99,695,395.43 = 41,303,808.03/x - Step 3: Cross multiply
72,242,990.85x = 99,695,395.43 × 41,303,808.03 - Step 4: Simplify right side
72,242,990.85x = 4,117,799,474,315,659.50 - Step 5: Solve for x
x = 4,117,799,474,315,659.50/72,242,990.85 - Step 6: Final answer
x = 56,999,293.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.