Finding the Fourth Proportional to 53,142,023.80, 79,713,035.70 and 46,423,559.80
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Solution
The fourth proportional to 53,142,023.80, 79,713,035.70 and 46,423,559.80 is: 69,635,339.70
Step by Step Solution
- Step 1: Write the proportion equation
53,142,023.80 : 79,713,035.70 = 46,423,559.80 : x - Step 2: Convert to fraction form
53,142,023.80/79,713,035.70 = 46,423,559.80/x - Step 3: Cross multiply
53,142,023.80x = 79,713,035.70 × 46,423,559.80 - Step 4: Simplify right side
53,142,023.80x = 3,700,562,879,658,485 - Step 5: Solve for x
x = 3,700,562,879,658,485/53,142,023.80 - Step 6: Final answer
x = 69,635,339.70
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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.