Finding the Fourth Proportional to 129,462,059.60, 194,193,089.40 and 116,473,029.20
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Solution
The fourth proportional to 129,462,059.60, 194,193,089.40 and 116,473,029.20 is: 174,709,543.80
Step by Step Solution
- Step 1: Write the proportion equation
129,462,059.60 : 194,193,089.40 = 116,473,029.20 : x - Step 2: Convert to fraction form
129,462,059.60/194,193,089.40 = 116,473,029.20/x - Step 3: Cross multiply
129,462,059.60x = 194,193,089.40 × 116,473,029.20 - Step 4: Simplify right side
129,462,059.60x = 22,618,257,372,124,412 - Step 5: Solve for x
x = 22,618,257,372,124,412/129,462,059.60 - Step 6: Final answer
x = 174,709,543.80
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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.