Finding the Fourth Proportional to 149,497,380.80, 224,246,071.20 and 97,841,315.60
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Solution
The fourth proportional to 149,497,380.80, 224,246,071.20 and 97,841,315.60 is: 146,761,973.40
Step by Step Solution
- Step 1: Write the proportion equation
149,497,380.80 : 224,246,071.20 = 97,841,315.60 : x - Step 2: Convert to fraction form
149,497,380.80/224,246,071.20 = 97,841,315.60/x - Step 3: Cross multiply
149,497,380.80x = 224,246,071.20 × 97,841,315.60 - Step 4: Simplify right side
149,497,380.80x = 21,940,530,624,339,268 - Step 5: Solve for x
x = 21,940,530,624,339,268/149,497,380.80 - Step 6: Final answer
x = 146,761,973.40
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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.