Finding the Fourth Proportional to 66,291,341.04, 91,486,648.44 and 40,186,959.12
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Solution
The fourth proportional to 66,291,341.04, 91,486,648.44 and 40,186,959.12 is: 55,460,790.85
Step by Step Solution
- Step 1: Write the proportion equation
66,291,341.04 : 91,486,648.44 = 40,186,959.12 : x - Step 2: Convert to fraction form
66,291,341.04/91,486,648.44 = 40,186,959.12/x - Step 3: Cross multiply
66,291,341.04x = 91,486,648.44 × 40,186,959.12 - Step 4: Simplify right side
66,291,341.04x = 3,676,570,200,884,091.50 - Step 5: Solve for x
x = 3,676,570,200,884,091.50/66,291,341.04 - Step 6: Final answer
x = 55,460,790.85
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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.