Finding the Fourth Proportional to 68,011,194.33, 102,031,283.07 and 21,955,680.81
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Solution
The fourth proportional to 68,011,194.33, 102,031,283.07 and 21,955,680.81 is: 32,938,199.45
Step by Step Solution
- Step 1: Write the proportion equation
68,011,194.33 : 102,031,283.07 = 21,955,680.81 : x - Step 2: Convert to fraction form
68,011,194.33/102,031,283.07 = 21,955,680.81/x - Step 3: Cross multiply
68,011,194.33x = 102,031,283.07 × 21,955,680.81 - Step 4: Simplify right side
68,011,194.33x = 2,240,166,283,719,676.50 - Step 5: Solve for x
x = 2,240,166,283,719,676.50/68,011,194.33 - Step 6: Final answer
x = 32,938,199.45
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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.