Finding the Fourth Proportional to 61,237,645.80, 91,856,468.70 and 27,225,421.80
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Solution
The fourth proportional to 61,237,645.80, 91,856,468.70 and 27,225,421.80 is: 40,838,132.70
Step by Step Solution
- Step 1: Write the proportion equation
61,237,645.80 : 91,856,468.70 = 27,225,421.80 : x - Step 2: Convert to fraction form
61,237,645.80/91,856,468.70 = 27,225,421.80/x - Step 3: Cross multiply
61,237,645.80x = 91,856,468.70 × 27,225,421.80 - Step 4: Simplify right side
61,237,645.80x = 2,500,831,105,415,998 - Step 5: Solve for x
x = 2,500,831,105,415,998/61,237,645.80 - Step 6: Final answer
x = 40,838,132.70
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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.