Finding the Fourth Proportional to 112,292,448.30, 168,438,672.45 and 27,191,904.30
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Solution
The fourth proportional to 112,292,448.30, 168,438,672.45 and 27,191,904.30 is: 40,787,856.45
Step by Step Solution
- Step 1: Write the proportion equation
112,292,448.30 : 168,438,672.45 = 27,191,904.30 : x - Step 2: Convert to fraction form
112,292,448.30/168,438,672.45 = 27,191,904.30/x - Step 3: Cross multiply
112,292,448.30x = 168,438,672.45 × 27,191,904.30 - Step 4: Simplify right side
112,292,448.30x = 4,580,168,261,679,446 - Step 5: Solve for x
x = 4,580,168,261,679,446/112,292,448.30 - Step 6: Final answer
x = 40,787,856.45
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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.