Finding the Fourth Proportional to 242,555,987.80, 363,833,981.70 and 97,059,251.80
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Solution
The fourth proportional to 242,555,987.80, 363,833,981.70 and 97,059,251.80 is: 145,588,877.70
Step by Step Solution
- Step 1: Write the proportion equation
242,555,987.80 : 363,833,981.70 = 97,059,251.80 : x - Step 2: Convert to fraction form
242,555,987.80/363,833,981.70 = 97,059,251.80/x - Step 3: Cross multiply
242,555,987.80x = 363,833,981.70 × 97,059,251.80 - Step 4: Simplify right side
242,555,987.80x = 35,313,454,043,216,888 - Step 5: Solve for x
x = 35,313,454,043,216,888/242,555,987.80 - Step 6: Final answer
x = 145,588,877.70
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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.