Finding the Fourth Proportional to 90,373,722,444.26, 124,711,991,900.90 and 49,174,272,326.62
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Solution
The fourth proportional to 90,373,722,444.26, 124,711,991,900.90 and 49,174,272,326.62 is: 67,858,458,036.99
Step by Step Solution
- Step 1: Write the proportion equation
90,373,722,444.26 : 124,711,991,900.90 = 49,174,272,326.62 : x - Step 2: Convert to fraction form
90,373,722,444.26/124,711,991,900.90 = 49,174,272,326.62/x - Step 3: Cross multiply
90,373,722,444.26x = 124,711,991,900.90 × 49,174,272,326.62 - Step 4: Simplify right side
90,373,722,444.26x = 6,132,621,452,130,084,978,688 - Step 5: Solve for x
x = 6,132,621,452,130,084,978,688/90,373,722,444.26 - Step 6: Final answer
x = 67,858,458,036.99
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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.