Finding the Fourth Proportional to 79,488,067.80, 119,232,101.70 and 74,449,219.80
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Solution
The fourth proportional to 79,488,067.80, 119,232,101.70 and 74,449,219.80 is: 111,673,829.70
Step by Step Solution
- Step 1: Write the proportion equation
79,488,067.80 : 119,232,101.70 = 74,449,219.80 : x - Step 2: Convert to fraction form
79,488,067.80/119,232,101.70 = 74,449,219.80/x - Step 3: Cross multiply
79,488,067.80x = 119,232,101.70 × 74,449,219.80 - Step 4: Simplify right side
79,488,067.80x = 8,876,736,946,679,254 - Step 5: Solve for x
x = 8,876,736,946,679,254/79,488,067.80 - Step 6: Final answer
x = 111,673,829.70
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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.