Finding the Fourth Proportional to 117,289,643.20, 175,934,464.80 and 53,464,235.20
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Solution
The fourth proportional to 117,289,643.20, 175,934,464.80 and 53,464,235.20 is: 80,196,352.80
Step by Step Solution
- Step 1: Write the proportion equation
117,289,643.20 : 175,934,464.80 = 53,464,235.20 : x - Step 2: Convert to fraction form
117,289,643.20/175,934,464.80 = 53,464,235.20/x - Step 3: Cross multiply
117,289,643.20x = 175,934,464.80 × 53,464,235.20 - Step 4: Simplify right side
117,289,643.20x = 9,406,201,605,853,322 - Step 5: Solve for x
x = 9,406,201,605,853,322/117,289,643.20 - Step 6: Final answer
x = 80,196,352.80
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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.