Finding the Fourth Proportional to 97,842,208.80, 146,763,313.20 and 65,593,581.60
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Solution
The fourth proportional to 97,842,208.80, 146,763,313.20 and 65,593,581.60 is: 98,390,372.40
Step by Step Solution
- Step 1: Write the proportion equation
97,842,208.80 : 146,763,313.20 = 65,593,581.60 : x - Step 2: Convert to fraction form
97,842,208.80/146,763,313.20 = 65,593,581.60/x - Step 3: Cross multiply
97,842,208.80x = 146,763,313.20 × 65,593,581.60 - Step 4: Simplify right side
97,842,208.80x = 9,626,731,360,270,556 - Step 5: Solve for x
x = 9,626,731,360,270,556/97,842,208.80 - Step 6: Final answer
x = 98,390,372.40
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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.