Finding the Fourth Proportional to 261,229,962.14, 391,845,749.03 and 64,493,397.98
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Solution
The fourth proportional to 261,229,962.14, 391,845,749.03 and 64,493,397.98 is: 96,740,295.91
Step by Step Solution
- Step 1: Write the proportion equation
261,229,962.14 : 391,845,749.03 = 64,493,397.98 : x - Step 2: Convert to fraction form
261,229,962.14/391,845,749.03 = 64,493,397.98/x - Step 3: Cross multiply
261,229,962.14x = 391,845,749.03 × 64,493,397.98 - Step 4: Simplify right side
261,229,962.14x = 25,271,463,838,962,984 - Step 5: Solve for x
x = 25,271,463,838,962,984/261,229,962.14 - Step 6: Final answer
x = 96,740,295.91
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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.