Finding the Fourth Proportional to 129,395,586.36, 194,028,475.86 and 43,103,655.48
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Solution
The fourth proportional to 129,395,586.36, 194,028,475.86 and 43,103,655.48 is: 64,633,862.81
Step by Step Solution
- Step 1: Write the proportion equation
129,395,586.36 : 194,028,475.86 = 43,103,655.48 : x - Step 2: Convert to fraction form
129,395,586.36/194,028,475.86 = 43,103,655.48/x - Step 3: Cross multiply
129,395,586.36x = 194,028,475.86 × 43,103,655.48 - Step 4: Simplify right side
129,395,586.36x = 8,363,336,576,778,937 - Step 5: Solve for x
x = 8,363,336,576,778,937/129,395,586.36 - Step 6: Final answer
x = 64,633,862.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.