Finding the Fourth Proportional to 66,570,875.60, 99,856,313.40 and 32,474,670.80
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Solution
The fourth proportional to 66,570,875.60, 99,856,313.40 and 32,474,670.80 is: 48,712,006.20
Step by Step Solution
- Step 1: Write the proportion equation
66,570,875.60 : 99,856,313.40 = 32,474,670.80 : x - Step 2: Convert to fraction form
66,570,875.60/99,856,313.40 = 32,474,670.80/x - Step 3: Cross multiply
66,570,875.60x = 99,856,313.40 × 32,474,670.80 - Step 4: Simplify right side
66,570,875.60x = 3,242,800,904,966,629 - Step 5: Solve for x
x = 3,242,800,904,966,629/66,570,875.60 - Step 6: Final answer
x = 48,712,006.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.