Finding the Fourth Proportional to 80,756,999.10, 121,135,498.65 and 32,242,340.70
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Solution
The fourth proportional to 80,756,999.10, 121,135,498.65 and 32,242,340.70 is: 48,363,511.05
Step by Step Solution
- Step 1: Write the proportion equation
80,756,999.10 : 121,135,498.65 = 32,242,340.70 : x - Step 2: Convert to fraction form
80,756,999.10/121,135,498.65 = 32,242,340.70/x - Step 3: Cross multiply
80,756,999.10x = 121,135,498.65 × 32,242,340.70 - Step 4: Simplify right side
80,756,999.10x = 3,905,692,018,337,690 - Step 5: Solve for x
x = 3,905,692,018,337,690/80,756,999.10 - Step 6: Final answer
x = 48,363,511.05
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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.