Finding the Fourth Proportional to 100,448,425.08, 138,608,090.88 and 56,400,265.92
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Solution
The fourth proportional to 100,448,425.08, 138,608,090.88 and 56,400,265.92 is: 77,826,339.02
Step by Step Solution
- Step 1: Write the proportion equation
100,448,425.08 : 138,608,090.88 = 56,400,265.92 : x - Step 2: Convert to fraction form
100,448,425.08/138,608,090.88 = 56,400,265.92/x - Step 3: Cross multiply
100,448,425.08x = 138,608,090.88 × 56,400,265.92 - Step 4: Simplify right side
100,448,425.08x = 7,817,533,184,295,527 - Step 5: Solve for x
x = 7,817,533,184,295,527/100,448,425.08 - Step 6: Final answer
x = 77,826,339.02
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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.