Finding the Fourth Proportional to 81,023,311.02, 121,547,624.60 and 26,423,197.62
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Solution
The fourth proportional to 81,023,311.02, 121,547,624.60 and 26,423,197.62 is: 39,638,924.46
Step by Step Solution
- Step 1: Write the proportion equation
81,023,311.02 : 121,547,624.60 = 26,423,197.62 : x - Step 2: Convert to fraction form
81,023,311.02/121,547,624.60 = 26,423,197.62/x - Step 3: Cross multiply
81,023,311.02x = 121,547,624.60 × 26,423,197.62 - Step 4: Simplify right side
81,023,311.02x = 3,211,676,905,047,373.50 - Step 5: Solve for x
x = 3,211,676,905,047,373.50/81,023,311.02 - Step 6: Final answer
x = 39,638,924.46
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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.