Finding the Fourth Proportional to 55,683,097.12, 76,851,909.36 and 32,478,223.36
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Solution
The fourth proportional to 55,683,097.12, 76,851,909.36 and 32,478,223.36 is: 44,825,334.92
Step by Step Solution
- Step 1: Write the proportion equation
55,683,097.12 : 76,851,909.36 = 32,478,223.36 : x - Step 2: Convert to fraction form
55,683,097.12/76,851,909.36 = 32,478,223.36/x - Step 3: Cross multiply
55,683,097.12x = 76,851,909.36 × 32,478,223.36 - Step 4: Simplify right side
55,683,097.12x = 2,496,013,477,836,554.50 - Step 5: Solve for x
x = 2,496,013,477,836,554.50/55,683,097.12 - Step 6: Final answer
x = 44,825,334.92
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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.