Finding the Fourth Proportional to 102,239,468,309.80, 153,359,202,464.70 and 84,825,209,621.80
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Solution
The fourth proportional to 102,239,468,309.80, 153,359,202,464.70 and 84,825,209,621.80 is: 127,237,814,432.70
Step by Step Solution
- Step 1: Write the proportion equation
102,239,468,309.80 : 153,359,202,464.70 = 84,825,209,621.80 : x - Step 2: Convert to fraction form
102,239,468,309.80/153,359,202,464.70 = 84,825,209,621.80/x - Step 3: Cross multiply
102,239,468,309.80x = 153,359,202,464.70 × 84,825,209,621.80 - Step 4: Simplify right side
102,239,468,309.80x = 13,008,726,496,500,246,380,544 - Step 5: Solve for x
x = 13,008,726,496,500,246,380,544/102,239,468,309.80 - Step 6: Final answer
x = 127,237,814,432.70
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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.