Finding the Fourth Proportional to 53,223,543.99, 79,834,783.76 and 16,831,940.54
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Solution
The fourth proportional to 53,223,543.99, 79,834,783.76 and 16,831,940.54 is: 25,247,742.49
Step by Step Solution
- Step 1: Write the proportion equation
53,223,543.99 : 79,834,783.76 = 16,831,940.54 : x - Step 2: Convert to fraction form
53,223,543.99/79,834,783.76 = 16,831,940.54/x - Step 3: Cross multiply
53,223,543.99x = 79,834,783.76 × 16,831,940.54 - Step 4: Simplify right side
53,223,543.99x = 1,343,774,333,176,904.25 - Step 5: Solve for x
x = 1,343,774,333,176,904.25/53,223,543.99 - Step 6: Final answer
x = 25,247,742.49
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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.