Finding the Fourth Proportional to 94,573,142.89, 130,507,977.73 and 55,440,983.08
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Solution
The fourth proportional to 94,573,142.89, 130,507,977.73 and 55,440,983.08 is: 76,506,821.75
Step by Step Solution
- Step 1: Write the proportion equation
94,573,142.89 : 130,507,977.73 = 55,440,983.08 : x - Step 2: Convert to fraction form
94,573,142.89/130,507,977.73 = 55,440,983.08/x - Step 3: Cross multiply
94,573,142.89x = 130,507,977.73 × 55,440,983.08 - Step 4: Simplify right side
94,573,142.89x = 7,235,490,585,106,626 - Step 5: Solve for x
x = 7,235,490,585,106,626/94,573,142.89 - Step 6: Final answer
x = 76,506,821.75
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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.