Finding the Fourth Proportional to 232,570,773.99, 320,961,964.59 and 128,148,817.68
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Solution
The fourth proportional to 232,570,773.99, 320,961,964.59 and 128,148,817.68 is: 176,853,245.90
Step by Step Solution
- Step 1: Write the proportion equation
232,570,773.99 : 320,961,964.59 = 128,148,817.68 : x - Step 2: Convert to fraction form
232,570,773.99/320,961,964.59 = 128,148,817.68/x - Step 3: Cross multiply
232,570,773.99x = 320,961,964.59 × 128,148,817.68 - Step 4: Simplify right side
232,570,773.99x = 41,130,896,282,458,528 - Step 5: Solve for x
x = 41,130,896,282,458,528/232,570,773.99 - Step 6: Final answer
x = 176,853,245.90
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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.