Finding the Fourth Proportional to 106,392,439.78, 159,617,090.67 and 38,235,722.02
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Solution
The fourth proportional to 106,392,439.78, 159,617,090.67 and 38,235,722.02 is: 57,363,800.67
Step by Step Solution
- Step 1: Write the proportion equation
106,392,439.78 : 159,617,090.67 = 38,235,722.02 : x - Step 2: Convert to fraction form
106,392,439.78/159,617,090.67 = 38,235,722.02/x - Step 3: Cross multiply
106,392,439.78x = 159,617,090.67 × 38,235,722.02 - Step 4: Simplify right side
106,392,439.78x = 6,103,074,708,499,256 - Step 5: Solve for x
x = 6,103,074,708,499,256/106,392,439.78 - Step 6: Final answer
x = 57,363,800.67
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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.