Finding the Fourth Proportional to 87,239,431.40, 130,607,204.70 and 53,227,207.40
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Solution
The fourth proportional to 87,239,431.40, 130,607,204.70 and 53,227,207.40 is: 79,687,094.02
Step by Step Solution
- Step 1: Write the proportion equation
87,239,431.40 : 130,607,204.70 = 53,227,207.40 : x - Step 2: Convert to fraction form
87,239,431.40/130,607,204.70 = 53,227,207.40/x - Step 3: Cross multiply
87,239,431.40x = 130,607,204.70 × 53,227,207.40 - Step 4: Simplify right side
87,239,431.40x = 6,951,856,772,501,155 - Step 5: Solve for x
x = 6,951,856,772,501,155/87,239,431.40 - Step 6: Final answer
x = 79,687,094.02
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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.