Finding the Fourth Proportional to 134,823,699.40, 201,893,405.10 and 74,170,899.40
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Solution
The fourth proportional to 134,823,699.40, 201,893,405.10 and 74,170,899.40 is: 111,068,124.56
Step by Step Solution
- Step 1: Write the proportion equation
134,823,699.40 : 201,893,405.10 = 74,170,899.40 : x - Step 2: Convert to fraction form
134,823,699.40/201,893,405.10 = 74,170,899.40/x - Step 3: Cross multiply
134,823,699.40x = 201,893,405.10 × 74,170,899.40 - Step 4: Simplify right side
134,823,699.40x = 14,974,615,439,195,548 - Step 5: Solve for x
x = 14,974,615,439,195,548/134,823,699.40 - Step 6: Final answer
x = 111,068,124.56
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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.