Finding the Fourth Proportional to 240,035,525.05, 331,302,313.53 and 145,929,675.70
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Solution
The fourth proportional to 240,035,525.05, 331,302,313.53 and 145,929,675.70 is: 201,415,349.51
Step by Step Solution
- Step 1: Write the proportion equation
240,035,525.05 : 331,302,313.53 = 145,929,675.70 : x - Step 2: Convert to fraction form
240,035,525.05/331,302,313.53 = 145,929,675.70/x - Step 3: Cross multiply
240,035,525.05x = 331,302,313.53 × 145,929,675.70 - Step 4: Simplify right side
240,035,525.05x = 48,346,839,172,092,616 - Step 5: Solve for x
x = 48,346,839,172,092,616/240,035,525.05 - Step 6: Final answer
x = 201,415,349.51
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1.5x scale
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.