Finding the Fourth Proportional to 239,224,596.24, 330,130,069.44 and 129,216,309.12
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Solution
The fourth proportional to 239,224,596.24, 330,130,069.44 and 129,216,309.12 is: 178,318,574.98
Step by Step Solution
- Step 1: Write the proportion equation
239,224,596.24 : 330,130,069.44 = 129,216,309.12 : x - Step 2: Convert to fraction form
239,224,596.24/330,130,069.44 = 129,216,309.12/x - Step 3: Cross multiply
239,224,596.24x = 330,130,069.44 × 129,216,309.12 - Step 4: Simplify right side
239,224,596.24x = 42,658,189,102,566,104 - Step 5: Solve for x
x = 42,658,189,102,566,104/239,224,596.24 - Step 6: Final answer
x = 178,318,574.98
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1.5x scale
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.