Finding the Fourth Proportional to 214,392,873.12, 295,695,368.68 and 155,076,677.54
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Solution
The fourth proportional to 214,392,873.12, 295,695,368.68 and 155,076,677.54 is: 213,885,166.38
Step by Step Solution
- Step 1: Write the proportion equation
214,392,873.12 : 295,695,368.68 = 155,076,677.54 : x - Step 2: Convert to fraction form
214,392,873.12/295,695,368.68 = 155,076,677.54/x - Step 3: Cross multiply
214,392,873.12x = 295,695,368.68 × 155,076,677.54 - Step 4: Simplify right side
214,392,873.12x = 45,855,455,338,859,776 - Step 5: Solve for x
x = 45,855,455,338,859,776/214,392,873.12 - Step 6: Final answer
x = 213,885,166.38
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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.