Finding the Fourth Proportional to 236,388,595.12, 326,212,856.05 and 130,546,488.91
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Solution
The fourth proportional to 236,388,595.12, 326,212,856.05 and 130,546,488.91 is: 180,152,274.15
Step by Step Solution
- Step 1: Write the proportion equation
236,388,595.12 : 326,212,856.05 = 130,546,488.91 : x - Step 2: Convert to fraction form
236,388,595.12/326,212,856.05 = 130,546,488.91/x - Step 3: Cross multiply
236,388,595.12x = 326,212,856.05 × 130,546,488.91 - Step 4: Simplify right side
236,388,595.12x = 42,585,942,994,621,496 - Step 5: Solve for x
x = 42,585,942,994,621,496/236,388,595.12 - Step 6: Final answer
x = 180,152,274.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.