Finding the Fourth Proportional to 302,409,021.40, 453,679,670.28 and 97,957,763.80
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Solution
The fourth proportional to 302,409,021.40, 453,679,670.28 and 97,957,763.80 is: 146,958,069.49
Step by Step Solution
- Step 1: Write the proportion equation
302,409,021.40 : 453,679,670.28 = 97,957,763.80 : x - Step 2: Convert to fraction form
302,409,021.40/453,679,670.28 = 97,957,763.80/x - Step 3: Cross multiply
302,409,021.40x = 453,679,670.28 × 97,957,763.80 - Step 4: Simplify right side
302,409,021.40x = 44,441,445,982,150,112 - Step 5: Solve for x
x = 44,441,445,982,150,112/302,409,021.40 - Step 6: Final answer
x = 146,958,069.49
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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.