Finding the Fourth Proportional to 65,202,243.40, 97,803,365.10 and 42,243,992.20
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Solution
The fourth proportional to 65,202,243.40, 97,803,365.10 and 42,243,992.20 is: 63,365,988.30
Step by Step Solution
- Step 1: Write the proportion equation
65,202,243.40 : 97,803,365.10 = 42,243,992.20 : x - Step 2: Convert to fraction form
65,202,243.40/97,803,365.10 = 42,243,992.20/x - Step 3: Cross multiply
65,202,243.40x = 97,803,365.10 × 42,243,992.20 - Step 4: Simplify right side
65,202,243.40x = 4,131,604,592,418,152.50 - Step 5: Solve for x
x = 4,131,604,592,418,152.50/65,202,243.40 - Step 6: Final answer
x = 63,365,988.30
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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.