Finding the Fourth Proportional to 70,394,295.96, 96,998,478.30 and 56,587,852.44
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Solution
The fourth proportional to 70,394,295.96, 96,998,478.30 and 56,587,852.44 is: 77,974,152.62
Step by Step Solution
- Step 1: Write the proportion equation
70,394,295.96 : 96,998,478.30 = 56,587,852.44 : x - Step 2: Convert to fraction form
70,394,295.96/96,998,478.30 = 56,587,852.44/x - Step 3: Cross multiply
70,394,295.96x = 96,998,478.30 × 56,587,852.44 - Step 4: Simplify right side
70,394,295.96x = 5,488,935,576,944,942 - Step 5: Solve for x
x = 5,488,935,576,944,942/70,394,295.96 - Step 6: Final answer
x = 77,974,152.62
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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.