Finding the Fourth Proportional to 98,293,201.92, 135,671,595.84 and 57,053,380.32
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Solution
The fourth proportional to 98,293,201.92, 135,671,595.84 and 57,053,380.32 is: 78,749,323.50
Step by Step Solution
- Step 1: Write the proportion equation
98,293,201.92 : 135,671,595.84 = 57,053,380.32 : x - Step 2: Convert to fraction form
98,293,201.92/135,671,595.84 = 57,053,380.32/x - Step 3: Cross multiply
98,293,201.92x = 135,671,595.84 × 57,053,380.32 - Step 4: Simplify right side
98,293,201.92x = 7,740,523,156,080,850 - Step 5: Solve for x
x = 7,740,523,156,080,850/98,293,201.92 - Step 6: Final answer
x = 78,749,323.50
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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.