Finding the Fourth Proportional to 67,326,417.36, 100,989,626.28 and 51,996,067.79
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Solution
The fourth proportional to 67,326,417.36, 100,989,626.28 and 51,996,067.79 is: 77,994,101.86
Step by Step Solution
- Step 1: Write the proportion equation
67,326,417.36 : 100,989,626.28 = 51,996,067.79 : x - Step 2: Convert to fraction form
67,326,417.36/100,989,626.28 = 51,996,067.79/x - Step 3: Cross multiply
67,326,417.36x = 100,989,626.28 × 51,996,067.79 - Step 4: Simplify right side
67,326,417.36x = 5,251,063,453,636,697 - Step 5: Solve for x
x = 5,251,063,453,636,697/67,326,417.36 - Step 6: Final answer
x = 77,994,101.86
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1.5x scale
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.