Finding the Fourth Proportional to 134,460,679.20, 201,691,018.80 and 97,897,538.40
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Solution
The fourth proportional to 134,460,679.20, 201,691,018.80 and 97,897,538.40 is: 146,846,307.60
Step by Step Solution
- Step 1: Write the proportion equation
134,460,679.20 : 201,691,018.80 = 97,897,538.40 : x - Step 2: Convert to fraction form
134,460,679.20/201,691,018.80 = 97,897,538.40/x - Step 3: Cross multiply
134,460,679.20x = 201,691,018.80 × 97,897,538.40 - Step 4: Simplify right side
134,460,679.20x = 19,745,054,257,908,124 - Step 5: Solve for x
x = 19,745,054,257,908,124/134,460,679.20 - Step 6: Final answer
x = 146,846,307.60
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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.