Finding the Fourth Proportional to 90,708,606.68, 125,188,504.36 and 51,556,268.71
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Solution
The fourth proportional to 90,708,606.68, 125,188,504.36 and 51,556,268.71 is: 71,153,691.00
Step by Step Solution
- Step 1: Write the proportion equation
90,708,606.68 : 125,188,504.36 = 51,556,268.71 : x - Step 2: Convert to fraction form
90,708,606.68/125,188,504.36 = 51,556,268.71/x - Step 3: Cross multiply
90,708,606.68x = 125,188,504.36 × 51,556,268.71 - Step 4: Simplify right side
90,708,606.68x = 6,454,252,170,214,762 - Step 5: Solve for x
x = 6,454,252,170,214,762/90,708,606.68 - Step 6: Final answer
x = 71,153,691.00
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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.