Finding the Fourth Proportional to 73,498,467.90, 110,247,701.85 and 51,579,479.10
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Solution
The fourth proportional to 73,498,467.90, 110,247,701.85 and 51,579,479.10 is: 77,369,218.65
Step by Step Solution
- Step 1: Write the proportion equation
73,498,467.90 : 110,247,701.85 = 51,579,479.10 : x - Step 2: Convert to fraction form
73,498,467.90/110,247,701.85 = 51,579,479.10/x - Step 3: Cross multiply
73,498,467.90x = 110,247,701.85 × 51,579,479.10 - Step 4: Simplify right side
73,498,467.90x = 5,686,519,033,395,106 - Step 5: Solve for x
x = 5,686,519,033,395,106/73,498,467.90 - Step 6: Final answer
x = 77,369,218.65
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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.