Finding the Fourth Proportional to 68,228,749.02, 94,201,122.36 and 40,360,412
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Solution
The fourth proportional to 68,228,749.02, 94,201,122.36 and 40,360,412 is: 55,724,253.54
Step by Step Solution
- Step 1: Write the proportion equation
68,228,749.02 : 94,201,122.36 = 40,360,412 : x - Step 2: Convert to fraction form
68,228,749.02/94,201,122.36 = 40,360,412/x - Step 3: Cross multiply
68,228,749.02x = 94,201,122.36 × 40,360,412 - Step 4: Simplify right side
68,228,749.02x = 3,801,996,109,312,012.50 - Step 5: Solve for x
x = 3,801,996,109,312,012.50/68,228,749.02 - Step 6: Final answer
x = 55,724,253.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.