Finding the Fourth Proportional to 147,748,660.44, 203,913,405.36 and 85,023,468.96
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Solution
The fourth proportional to 147,748,660.44, 203,913,405.36 and 85,023,468.96 is: 117,344,042.51
Step by Step Solution
- Step 1: Write the proportion equation
147,748,660.44 : 203,913,405.36 = 85,023,468.96 : x - Step 2: Convert to fraction form
147,748,660.44/203,913,405.36 = 85,023,468.96/x - Step 3: Cross multiply
147,748,660.44x = 203,913,405.36 × 85,023,468.96 - Step 4: Simplify right side
147,748,660.44x = 17,337,425,091,153,858 - Step 5: Solve for x
x = 17,337,425,091,153,858/147,748,660.44 - Step 6: Final answer
x = 117,344,042.51
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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.