Finding the Fourth Proportional to 65,302,415.40, 97,841,648.70 and 42,571,612.20
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Solution
The fourth proportional to 65,302,415.40, 97,841,648.70 and 42,571,612.20 is: 63,784,420.53
Step by Step Solution
- Step 1: Write the proportion equation
65,302,415.40 : 97,841,648.70 = 42,571,612.20 : x - Step 2: Convert to fraction form
65,302,415.40/97,841,648.70 = 42,571,612.20/x - Step 3: Cross multiply
65,302,415.40x = 97,841,648.70 × 42,571,612.20 - Step 4: Simplify right side
65,302,415.40x = 4,165,276,725,465,034.50 - Step 5: Solve for x
x = 4,165,276,725,465,034.50/65,302,415.40 - Step 6: Final answer
x = 63,784,420.53
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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.