Finding the Fourth Proportional to 129,031,277.60, 193,546,916.40 and 104,844,807.20
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Solution
The fourth proportional to 129,031,277.60, 193,546,916.40 and 104,844,807.20 is: 157,267,210.80
Step by Step Solution
- Step 1: Write the proportion equation
129,031,277.60 : 193,546,916.40 = 104,844,807.20 : x - Step 2: Convert to fraction form
129,031,277.60/193,546,916.40 = 104,844,807.20/x - Step 3: Cross multiply
129,031,277.60x = 193,546,916.40 × 104,844,807.20 - Step 4: Simplify right side
129,031,277.60x = 20,292,389,134,112,520 - Step 5: Solve for x
x = 20,292,389,134,112,520/129,031,277.60 - Step 6: Final answer
x = 157,267,210.80
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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.