Finding the Fourth Proportional to 190,994,294.80, 286,562,380.70 and 132,671,242.12
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Solution
The fourth proportional to 190,994,294.80, 286,562,380.70 and 132,671,242.12 is: 199,056,139.52
Step by Step Solution
- Step 1: Write the proportion equation
190,994,294.80 : 286,562,380.70 = 132,671,242.12 : x - Step 2: Convert to fraction form
190,994,294.80/286,562,380.70 = 132,671,242.12/x - Step 3: Cross multiply
190,994,294.80x = 286,562,380.70 × 132,671,242.12 - Step 4: Simplify right side
190,994,294.80x = 38,018,586,992,333,312 - Step 5: Solve for x
x = 38,018,586,992,333,312/190,994,294.80 - Step 6: Final answer
x = 199,056,139.52
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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.