Finding the Fourth Proportional to 124,623,911.20, 186,935,866.80 and 55,536,581.20
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Solution
The fourth proportional to 124,623,911.20, 186,935,866.80 and 55,536,581.20 is: 83,304,871.80
Step by Step Solution
- Step 1: Write the proportion equation
124,623,911.20 : 186,935,866.80 = 55,536,581.20 : x - Step 2: Convert to fraction form
124,623,911.20/186,935,866.80 = 55,536,581.20/x - Step 3: Cross multiply
124,623,911.20x = 186,935,866.80 × 55,536,581.20 - Step 4: Simplify right side
124,623,911.20x = 10,381,778,945,730,586 - Step 5: Solve for x
x = 10,381,778,945,730,586/124,623,911.20 - Step 6: Final answer
x = 83,304,871.80
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1.5x scale
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.