Finding the Fourth Proportional to 64,730,946.80, 97,096,420.20 and 58,236,431.60
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Solution
The fourth proportional to 64,730,946.80, 97,096,420.20 and 58,236,431.60 is: 87,354,647.40
Step by Step Solution
- Step 1: Write the proportion equation
64,730,946.80 : 97,096,420.20 = 58,236,431.60 : x - Step 2: Convert to fraction form
64,730,946.80/97,096,420.20 = 58,236,431.60/x - Step 3: Cross multiply
64,730,946.80x = 97,096,420.20 × 58,236,431.60 - Step 4: Simplify right side
64,730,946.80x = 5,654,549,033,582,159 - Step 5: Solve for x
x = 5,654,549,033,582,159/64,730,946.80 - Step 6: Final answer
x = 87,354,647.40
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1.5x scale
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.