Finding the Fourth Proportional to 113,918,949.02, 157,208,904.45 and 61,707,984.66
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Solution
The fourth proportional to 113,918,949.02, 157,208,904.45 and 61,707,984.66 is: 85,157,427.70
Step by Step Solution
- Step 1: Write the proportion equation
113,918,949.02 : 157,208,904.45 = 61,707,984.66 : x - Step 2: Convert to fraction form
113,918,949.02/157,208,904.45 = 61,707,984.66/x - Step 3: Cross multiply
113,918,949.02x = 157,208,904.45 × 61,707,984.66 - Step 4: Simplify right side
113,918,949.02x = 9,701,044,664,216,004 - Step 5: Solve for x
x = 9,701,044,664,216,004/113,918,949.02 - Step 6: Final answer
x = 85,157,427.70
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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.